TW201640198A - Backlight module and liquid crystal display device using same - Google Patents
Backlight module and liquid crystal display device using same Download PDFInfo
- Publication number
- TW201640198A TW201640198A TW104112493A TW104112493A TW201640198A TW 201640198 A TW201640198 A TW 201640198A TW 104112493 A TW104112493 A TW 104112493A TW 104112493 A TW104112493 A TW 104112493A TW 201640198 A TW201640198 A TW 201640198A
- Authority
- TW
- Taiwan
- Prior art keywords
- extension portion
- backlight module
- light
- frame
- liquid crystal
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 97
- 239000012788 optical film Substances 0.000 claims abstract description 46
- 239000002390 adhesive tape Substances 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000000265 homogenisation Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
本發明涉及一種背光模組與液晶顯示裝置。The invention relates to a backlight module and a liquid crystal display device.
液晶顯示裝置作為電子設備的顯示部件已廣泛應用於各種電子產品中。液晶顯示裝置主要包括背光模組與液晶顯示面板，液晶顯示面板經膠帶貼合至背光模組。然為滿足液晶顯示裝置薄形化之需求，背光模組與液晶顯示面板之間預留的相互貼合的面積越來越小而無法滿足液晶顯示裝置整體強度的要求，在運輸及生產過程中，液晶顯示面板與背光模組之間易發生移位而導致灰塵等汙物進入背光模組內部而導致產品報廢。Liquid crystal display devices have been widely used as display members of electronic devices in various electronic products. The liquid crystal display device mainly comprises a backlight module and a liquid crystal display panel, and the liquid crystal display panel is attached to the backlight module via a tape. However, in order to meet the demand for thinning of the liquid crystal display device, the area of the mutual bonding between the backlight module and the liquid crystal display panel is smaller and smaller, and cannot meet the requirements of the overall strength of the liquid crystal display device, in the transportation and production process. The liquid crystal display panel and the backlight module are prone to displacement, and dust and the like enter the interior of the backlight module, which causes the product to be scrapped.
有鑑於此，有必要提供一種背光模組與液晶顯示裝置。In view of this, it is necessary to provide a backlight module and a liquid crystal display device.
一種背光模組，包括導光板、光學膜片組、膠框，該膠框用於固定該導光板及該光學膜片組，其中，該背光模組還包括遮光膠帶，該遮光膠帶自該背光模組一側面回折貼合到與該側面相對之底面。A backlight module includes a light guide plate, an optical film set, and a plastic frame, wherein the plastic frame is used for fixing the light guide plate and the optical film set, wherein the backlight module further comprises a light shielding tape, and the light shielding tape is from the backlight One side of the module is folded back to the bottom surface opposite to the side.
優選的，該膠框包括四個依次連接的側框，該導光板與該光學膜片組層疊設置在該膠框的四個側框形成的容置空間內。Preferably, the plastic frame comprises four side frames connected in series, and the light guide plate and the optical film group are stacked in an accommodating space formed by the four side frames of the plastic frame.
優選的，該背光模組還包括反射片，該遮光膠帶沿該膠框的側框貼合至該反射片遠離導光板的側面。Preferably, the backlight module further includes a reflective sheet, and the light shielding tape is adhered along a side frame of the plastic frame to a side of the reflective sheet away from the light guide plate.
優選的，該遮光膠帶為一中空“口”字形結構沿該膠框的四個側框設置，該遮光膠帶沿該膠框的側框貼合至該反射片底部。Preferably, the light-shielding tape is disposed along a four side frame of the plastic frame, and the light-shielding tape is attached to the bottom of the reflective sheet along the side frame of the plastic frame.
優選的，該遮光膠帶包括本體、第一延伸部與第二延伸部，該本體是由四條首尾依次相連的框型膠帶組成，該第一延伸部與該第二延伸部設置在該本體的同一側邊上，且該第一延伸部自該本體沿第一方向延伸，該第二延伸部自該本體沿該第一方向的相反方向延伸，且該第一延伸部與該第二延伸部沿該膠框的側框回折貼合至該反射片遠離該導光板的側面以緊固整個背光模組。Preferably, the light-shielding tape comprises a body, a first extending portion and a second extending portion, the body is composed of four frame-type adhesive tapes which are sequentially connected end to end, and the first extending portion and the second extending portion are disposed on the same body a first extension portion extending from the body in a first direction, the second extension portion extending from the body in an opposite direction of the first direction, and the first extension portion and the second extension portion are along The side frame of the plastic frame is folded back to the side of the reflective sheet away from the light guide plate to fasten the entire backlight module.
優選的，該遮光膠帶包括本體、第一延伸部與第二延伸部，該本體是由四條首尾依次相連的框型膠帶組成，該第一延伸部與該第二延伸部設置在該本體的同一側邊上，且該第一延伸部與該第二延伸部自該本體沿與第一方向垂直的第二方向延伸，且該第一延伸部與該第二延伸部沿該膠框的側框貼合至該反射片遠離該導光板的側面以緊固整個背光模組。Preferably, the light-shielding tape comprises a body, a first extending portion and a second extending portion, the body is composed of four frame-type adhesive tapes which are sequentially connected end to end, and the first extending portion and the second extending portion are disposed on the same body On the side, the first extension portion and the second extension portion extend from the body in a second direction perpendicular to the first direction, and the first extension portion and the second extension portion are along the side frame of the plastic frame The film is attached to the side of the light guide plate away from the light guide plate to fasten the entire backlight module.
優選的，該背光模組還包括收容該膠框的背板，該背板設置該膠框外側，該背板包括底板和自該底板邊緣垂直延伸出的四側壁，該底板與該四側壁形成一收容空間用於容置該膠框，遮光膠帶沿該背板的側壁貼合至該背板遠離導光板的底面。Preferably, the backlight module further includes a backboard for receiving the plastic frame, the backboard is disposed outside the plastic frame, and the backboard includes a bottom plate and four sidewalls extending perpendicularly from an edge of the bottom plate, the bottom plate and the four sidewalls are formed A receiving space is used for accommodating the plastic frame, and the light shielding tape is attached along the sidewall of the backing plate to the bottom surface of the backing plate away from the light guide plate.
優選的，該遮光膠帶包括本體、第一延伸部與第二延伸部，該本體是由四條首尾依次相連的框型膠帶組成，該第一延伸部與該第二延伸部設置在該本體的同一側邊上，且該第一延伸部自該本體沿第一方向延伸，該第二延伸部自該本體沿該第一方向的相反方向延伸，且該第一延伸部與該第二延伸部沿該背板的側壁回折貼合至該背板底部以緊固整個背光模組。Preferably, the light-shielding tape comprises a body, a first extending portion and a second extending portion, the body is composed of four frame-type adhesive tapes which are sequentially connected end to end, and the first extending portion and the second extending portion are disposed on the same body a first extension portion extending from the body in a first direction, the second extension portion extending from the body in an opposite direction of the first direction, and the first extension portion and the second extension portion are along The side wall of the backboard is folded back to the bottom of the backboard to fasten the entire backlight module.
優選的，該遮光膠帶包括本體、第一延伸部與第二延伸部，該本體是由四條首尾依次相連的框型膠帶組成，該第一延伸部與該第二延伸部設置在該本體的同一側邊上，該本體是由四條首尾依次相連的框型膠帶組成，該第一延伸部與該第二延伸部設置在該本體的同一側邊上，且該第一延伸部與該第二延伸部自該本體沿與第一方向垂直的第二方向延伸，且該第一延伸部與該第二延伸部沿該背板的側壁貼合至該背板遠離該導光板的底面以緊固整個背光模組。Preferably, the light-shielding tape comprises a body, a first extending portion and a second extending portion, the body is composed of four frame-type adhesive tapes which are sequentially connected end to end, and the first extending portion and the second extending portion are disposed on the same body On the side, the body is composed of four frame-type adhesive tapes which are sequentially connected end to end. The first extending portion and the second extending portion are disposed on the same side of the body, and the first extending portion and the second extending portion are The portion extends from the body in a second direction perpendicular to the first direction, and the first extension portion and the second extension portion are attached along the sidewall of the back plate to the back plate away from the bottom surface of the light guide plate to fasten the entire portion Backlight module.
一種液晶顯示裝置，包括液晶顯示面板與背光模組，該背光模組包括導光板、光學膜片組、膠框，該膠框用於固定該導光板及該光學膜片組，其中，該背光模組還包括遮光膠帶，該遮光膠帶自該背光模組面對該液晶顯示面板的側面回折到該背光模組的遠離該液晶顯示面板的側面。A liquid crystal display device includes a liquid crystal display panel and a backlight module, the backlight module includes a light guide plate, an optical film group, and a plastic frame, wherein the plastic frame is used for fixing the light guide plate and the optical film group, wherein the backlight The module further includes a light-shielding tape that is folded back from a side of the backlight module facing the liquid crystal display panel to a side of the backlight module that is away from the liquid crystal display panel.
相較於現有技術，本發明的液晶顯示裝置及背光模組包括遮光膠帶，且該遮光膠帶自該背光模組面對該液晶顯示面板的側面回折到該背光模組的遠離該液晶顯示面板的側面從而增強背光模組的整體強度，且避免灰塵進入背光模組內部提高產品良率。Compared with the prior art, the liquid crystal display device and the backlight module of the present invention comprise a light-shielding tape, and the light-shielding tape is folded back from the side of the backlight module facing the liquid crystal display panel to the backlight module away from the liquid crystal display panel. The side enhances the overall strength of the backlight module and prevents dust from entering the interior of the backlight module to improve product yield.
圖1是本發明液晶顯示裝置第一實施方式組裝示意圖。1 is a schematic view showing the assembly of a first embodiment of a liquid crystal display device of the present invention.
圖2是圖1所示液晶顯示裝置的立體分解示意圖。2 is a perspective exploded view of the liquid crystal display device of FIG. 1.
圖3是圖1所示液晶顯示裝置沿III-III線的截面示意圖。Figure 3 is a cross-sectional view of the liquid crystal display device of Figure 1 taken along line III-III.
圖4是本發明液晶顯示裝置第二實施方式組裝示意圖。4 is a schematic view showing the assembly of a second embodiment of the liquid crystal display device of the present invention.
圖5是圖4所示液晶顯示裝置的立體分解示意圖。FIG. 5 is a perspective exploded view of the liquid crystal display device shown in FIG. 4. FIG.
圖6是圖4所示液晶顯示裝置沿V-V線的截面示意圖。Figure 6 is a cross-sectional view of the liquid crystal display device of Figure 4 taken along line V-V.
圖7是本發明液晶顯示裝置第三實施方式組裝示意圖。Fig. 7 is a schematic view showing the assembly of a third embodiment of the liquid crystal display device of the present invention.
圖8是圖7所示液晶顯示裝置的立體分解示意圖。FIG. 8 is a perspective exploded view of the liquid crystal display device shown in FIG. 7. FIG.
圖9是圖7所示液晶顯示裝置沿IX-IX線的截面示意圖。Figure 9 is a cross-sectional view of the liquid crystal display device of Figure 7 taken along line IX-IX.
圖10是本發明液晶顯示裝置第四實施方式組裝示意圖。Fig. 10 is a schematic view showing the assembly of a fourth embodiment of the liquid crystal display device of the present invention.
圖11是圖10所示液晶顯示裝置的立體分解示意圖。Figure 11 is a perspective exploded view of the liquid crystal display device of Figure 10.
圖12是圖10所示液晶顯示裝置沿XII-XII線的截面示意圖。Figure 12 is a cross-sectional view of the liquid crystal display device of Figure 10 taken along the line XII-XII.
請一併參閱圖1、圖2，圖1是本發明液晶顯示裝置第一實施方式組裝示意圖；圖2是圖1所示液晶顯示裝置的立體分解示意圖。液晶顯示裝置10包括液晶顯示面板12與設置在該液晶顯示面板12一側的背光模組14。該背光模組14為該液晶顯示面板12提供背光。該液晶顯示面板12可以是，但不限於平面轉換(In-Plane Switching，IPS)面板、邊緣場開關（Fringe Field Switching，FFS）面板等。1 and FIG. 2, FIG. 1 is a schematic view showing the assembly of the first embodiment of the liquid crystal display device of the present invention; and FIG. 2 is a perspective exploded view of the liquid crystal display device of FIG. The liquid crystal display device 10 includes a liquid crystal display panel 12 and a backlight module 14 disposed on one side of the liquid crystal display panel 12. The backlight module 14 provides backlighting for the liquid crystal display panel 12. The liquid crystal display panel 12 can be, but not limited to, an In-Plane Switching (IPS) panel, a Fringe Field Switching (FFS) panel, or the like.
該背光模組14包括遮光膠帶141、光學膜片組142、導光板143、反射片145、膠框146與光源147。該反射片145設置在該膠框146的底部。該膠框146包括四個依次連接的側框1462，該光源147設置在該導光板143的側邊並固定在該膠框146的側框1462上，該光源147用於發射可見光源。該導光板143用於將光源147發射之可見光轉換為平面光，以及用於承載該光學膜片組142。該光學膜片組142對從該導光板143射出的平面光進行均勻化及霧化等光學處理後，為該液晶顯示面板12提供均勻的平面光。該遮光膠帶141用於防止該液晶顯示裝置10內部的光線從該液晶顯示裝置10的非顯示區射出。該膠框146用於收容並固定該導光板143與該光學膜片組142。該反射片145通過膠體1452貼合至該膠框146的四個側框1462遠離該液晶顯示面板12的側面。該導光板143與該光學膜片組142依次層疊設置在該膠框146的四個側框1462形成的容置空間內。The backlight module 14 includes a light shielding tape 141, an optical film group 142, a light guide plate 143, a reflection sheet 145, a plastic frame 146, and a light source 147. The reflection sheet 145 is disposed at the bottom of the plastic frame 146. The frame 146 includes four side frames 1462 that are sequentially connected. The light source 147 is disposed on a side of the light guide plate 143 and is fixed on the side frame 1462 of the plastic frame 146. The light source 147 is used to emit a visible light source. The light guide plate 143 is configured to convert visible light emitted by the light source 147 into planar light, and to carry the optical film set 142. The optical film group 142 is subjected to optical processing such as homogenization and atomization of the planar light emitted from the light guide plate 143, and then provides uniform planar light to the liquid crystal display panel 12. The light-shielding tape 141 serves to prevent light inside the liquid crystal display device 10 from being emitted from the non-display area of the liquid crystal display device 10. The plastic frame 146 is configured to receive and fix the light guide plate 143 and the optical film set 142. The reflective sheet 145 is adhered to the side of the four side frames 1462 of the plastic frame 146 away from the liquid crystal display panel 12 by the glue 1452. The light guide plate 143 and the optical film group 142 are sequentially stacked in the accommodating space formed by the four side frames 1462 of the plastic frame 146.
在本實施方式中，該反射片145為金屬材料同時用作該背光模組14的背板。該膠體1452可以是光學透明膠粘劑（Optical Clear Adhesive，OCA）或光學透明樹脂（Optical Clear Resin，OCR）等具有高透光率的膠粘劑。該光學膜片組142包括多個光學膜片，在本實施例中，該多個光學膜片可以是，但不限於擴散片、棱鏡片等。In the embodiment, the reflective sheet 145 is a metal material and serves as a back sheet of the backlight module 14 . The colloid 1452 may be an adhesive having high light transmittance such as Optical Clear Adhesive (OCA) or Optical Clear Resin (OCR). The optical film set 142 includes a plurality of optical films. In the embodiment, the plurality of optical films may be, but not limited to, a diffusion sheet, a prism sheet, or the like.
請一併參閱圖3，圖3是圖1所示液晶顯示裝置10沿III-III線的截面示意圖。該遮光膠帶141自該背光模組14面對該液晶顯示面板12的側面回折到該背光模組14的遠離該液晶顯示面板12的側面。具體地，該遮光膠帶141為一中空“口”字形結構沿該膠框146的四個側框1462設置，該遮光膠帶141沿該膠框146的側框1462貼合至該反射片145遠離該液晶顯示面板12的側面。，該遮光膠帶141包括本體1412、第一延伸部1414與第二延伸部1416。該本體1412是由四條首尾依次相連的框型膠帶組成，該第一延伸部1414與該第二延伸部1416設置在該本體1412的同一側邊上，且該第一延伸部1414自該本體1412沿第一方向X延伸，該第二延伸部1414自該本體1412沿該第一方向X的相反方向延伸，且該第一延伸部1414與該第二延伸部1416沿該膠框145的側框1462回折貼合至該反射片145遠離該導光板143的側面以緊固整個背光模組14。Please refer to FIG. 3 together. FIG. 3 is a schematic cross-sectional view of the liquid crystal display device 10 of FIG. 1 taken along line III-III. The light-shielding tape 141 is folded back from the side of the backlight module 14 facing the liquid crystal display panel 12 to the side of the backlight module 14 away from the liquid crystal display panel 12 . Specifically, the light-shielding tape 141 is disposed along the four side frames 1462 of the plastic frame 146. The light-shielding tape 141 is attached to the reflective frame 145 along the side frame 1462 of the plastic frame 146. The side of the liquid crystal display panel 12. The light shielding tape 141 includes a body 1412, a first extension portion 1414, and a second extension portion 1416. The body 1412 is composed of four frame-type tapes that are connected in series at the beginning and the end. The first extension portion 1414 and the second extension portion 1416 are disposed on the same side of the body 1412, and the first extension portion 1414 is from the body 1412. Extending in a first direction X, the second extending portion 1414 extends from the body 1412 in an opposite direction of the first direction X, and the first extending portion 1414 and the second extending portion 1416 are along a side frame of the plastic frame 145 The 1462 is folded back to the side of the reflective sheet 145 away from the light guide plate 143 to fasten the entire backlight module 14 .
請一併參閱圖4、圖5，圖4是本發明液晶顯示裝置第二實施方式組裝示意圖；圖5是圖4所示液晶顯示裝置的立體分解示意圖。液晶顯示裝置20包括液晶顯示面板22與設置在該液晶顯示面板22一側的背光模組24。該背光模組24為該液晶顯示面板22提供背光。該液晶顯示面板12可以是，但不限於平面轉換(In-Plane Switching，IPS)面板、邊緣場開關（Fringe Field Switching，FFS）面板等。4 and FIG. 5, FIG. 4 is a schematic view showing the assembly of the second embodiment of the liquid crystal display device of the present invention; and FIG. 5 is a perspective exploded view of the liquid crystal display device of FIG. The liquid crystal display device 20 includes a liquid crystal display panel 22 and a backlight module 24 disposed on one side of the liquid crystal display panel 22. The backlight module 24 provides backlighting for the liquid crystal display panel 22. The liquid crystal display panel 12 can be, but not limited to, an In-Plane Switching (IPS) panel, a Fringe Field Switching (FFS) panel, or the like.
該背光模組24包括遮光膠帶241、光學膜片組242、導光板243、背板245、膠框146與光源147。該膠框246包括四個依次連接的側框2462，該光源247設置在該導光板143的側邊並固定在該膠框246的側框2462上，該光源247用於發射可見光源。該導光板243用於將光源247發射之可見光轉換為平面光，以及用於承載該光學膜片組242。該光學膜片組242對從該導光板243射出的平面光進行均勻化及霧化等光學處理後，為該液晶顯示面板22提供均勻的平面光。該遮光膠帶241用於防止該液晶顯示裝置20內部的光線從該液晶顯示裝置20的非顯示區射出。該背板245設置該膠框246外側，該背板245包括一底板2450和自該底板2450邊緣垂直延伸出的四側壁2452，該底板2450與該四側壁2452形成一收容空間用於容置該膠框246。該膠框246用於收容並固定該導光板143與該光學膜片組142。該導光板243與該光學膜片組242依次層疊設置在該膠框246的四個側框2462形成的容置空間內。The backlight module 24 includes a light shielding tape 241, an optical film group 242, a light guide plate 243, a back plate 245, a plastic frame 146, and a light source 147. The plastic frame 246 includes four side frames 2462 connected in series. The light source 247 is disposed on a side of the light guide plate 143 and is fixed on the side frame 2462 of the plastic frame 246 for emitting a visible light source. The light guide plate 243 is configured to convert visible light emitted by the light source 247 into planar light, and to carry the optical film set 242. The optical film group 242 is subjected to optical processing such as homogenization and atomization of the planar light emitted from the light guide plate 243, and then provides uniform planar light to the liquid crystal display panel 22. The light-shielding tape 241 serves to prevent light inside the liquid crystal display device 20 from being emitted from the non-display area of the liquid crystal display device 20. The back plate 245 is disposed on the outer side of the plastic frame 246. The back plate 245 includes a bottom plate 2450 and four side walls 2452 extending perpendicularly from the edge of the bottom plate 2450. The bottom plate 2450 and the four side walls 2452 form a receiving space for receiving the back plate 245. Plastic frame 246. The plastic frame 246 is configured to receive and fix the light guide plate 143 and the optical film set 142. The light guide plate 243 and the optical film group 242 are sequentially stacked in the accommodating space formed by the four side frames 2462 of the plastic frame 246.
在本實施方式中，該背板245為金屬材料同時用作該背光模組24的反射片。該光學膜片組22包括多個光學膜片，在本實施例中，該多個光學膜片可以是，但不限於擴散片、棱鏡片等。In the embodiment, the back plate 245 is a metal material and serves as a reflection sheet of the backlight module 24 . The optical film set 22 includes a plurality of optical films. In the embodiment, the plurality of optical films may be, but not limited to, a diffusion sheet, a prism sheet, or the like.
請一併參閱圖6，圖6是圖4所示液晶顯示裝置沿VI-VI線的截面示意圖。該遮光膠帶241自該背光模組24面對該液晶顯示面板12的側面回折到該背光模組14的遠離該液晶顯示面板22的側面。具體地，該遮光膠帶241為一中空“口”字形結構沿該膠框246的四個側框2462設置，該遮光膠帶241沿該背板245的側壁貼合至該背板245底部。該遮光膠帶241包括本體2412、第一延伸部2414與第二延伸部2416。該本體2412是由四條首尾依次相連的框型膠帶組成，該第一延伸部2414與該第二延伸部2416設置在該本體2412的同一側邊上，且該第一延伸部2414自該本體2412沿第一方向X延伸，該第二延伸部2414自該本體2412沿該第一方向X的相反方向延伸，且該第一延伸部2414與該第二延伸部2416沿該背板245的側壁回折貼合至該背板245底面以緊固整個背光模組24。Please refer to FIG. 6 together. FIG. 6 is a schematic cross-sectional view of the liquid crystal display device shown in FIG. 4 taken along line VI-VI. The light-shielding tape 241 is folded back from the side of the backlight module 24 facing the liquid crystal display panel 12 to the side of the backlight module 14 away from the liquid crystal display panel 22 . Specifically, the light-shielding tape 241 is disposed along the four side frames 2462 of the plastic frame 246. The light-shielding tape 241 is attached to the bottom of the back plate 245 along the sidewall of the back plate 245. The light shielding tape 241 includes a body 2412, a first extension portion 2414, and a second extension portion 2416. The body 2412 is composed of four frame-type tapes that are connected in series with each other. The first extension portion 2414 and the second extension portion 2416 are disposed on the same side of the body 2412, and the first extension portion 2414 is from the body 2412. Extending in a first direction X, the second extending portion 2414 extends from the body 2412 in the opposite direction of the first direction X, and the first extending portion 2414 and the second extending portion 2416 are folded back along the sidewall of the back plate 245 The bottom surface of the back plate 245 is attached to the entire backlight module 24 .
請一併參閱圖7、圖8，圖7是本發明液晶顯示裝置第二實施方式組裝示意圖；圖8是圖7所示液晶顯示裝置的立體分解示意圖。液晶顯示裝置30包括液晶顯示面板32與設置在該液晶顯示面板32一側的背光模組34。該背光模組34為該液晶顯示面板32提供背光。該液晶顯示面板32可以是，但不限於平面轉換(In-Plane Switching，IPS)面板、邊緣場開關（Fringe Field Switching，FFS）面板等。Please refer to FIG. 7 and FIG. 8. FIG. 7 is a schematic view showing the assembly of the second embodiment of the liquid crystal display device of the present invention; and FIG. 8 is a perspective exploded view of the liquid crystal display device shown in FIG. The liquid crystal display device 30 includes a liquid crystal display panel 32 and a backlight module 34 disposed on one side of the liquid crystal display panel 32. The backlight module 34 provides backlighting for the liquid crystal display panel 32. The liquid crystal display panel 32 can be, but not limited to, an In-Plane Switching (IPS) panel, a Fringe Field Switching (FFS) panel, or the like.
該背光模組34包括遮光膠帶341、光學膜片組342、導光板343、反射片345、膠框346與光源347。該反射片345設置在該膠框346的底部。該膠框346包括四個依次連接的側框3462，該光源347設置在該導光板343的側邊並固定在該膠框346的側框3462上，該光源347用於發射可見光源。該導光板343用於將光源347發射之可見光轉換為平面光，以及用於承載該光學膜片組342。該光學膜片組342對從該導光板343射出的平面光進行均勻化及霧化等光學處理後，為該液晶顯示面板32提供均勻的平面光。該遮光膠帶341用於防止該液晶顯示裝置30內部的光線從該液晶顯示裝置30的非顯示區射出。該膠框346用於收容並固定該導光板343與該光學膜片組342。該光學膜片組342經一膠體3452貼合至該導光板343靠近該液晶顯示面板32的側面。該反射片345通過膠體貼合至該膠框346的四個側框3462遠離該液晶顯示面板32的側面。該導光板343與該光學膜片組342依次層疊設置在該膠框346的四個側框3462形成的容置空間內。The backlight module 34 includes a light shielding tape 341, an optical film group 342, a light guide plate 343, a reflection sheet 345, a plastic frame 346, and a light source 347,. The reflection sheet 345 is disposed at the bottom of the plastic frame 346. The plastic frame 346 includes four side frames 3462 connected in series. The light source 347 is disposed on a side of the light guide plate 343 and is fixed on the side frame 3462 of the plastic frame 346 for emitting a visible light source. The light guide plate 343 is configured to convert visible light emitted by the light source 347, into planar light, and to carry the optical film set 342. The optical film group 342 is subjected to optical processing such as homogenization and atomization of the planar light emitted from the light guide plate 343, and then provides uniform planar light to the liquid crystal display panel 32. The light-shielding tape 341 serves to prevent light inside the liquid crystal display device 30 from being emitted from the non-display area of the liquid crystal display device 30. The plastic frame 346 is configured to receive and fix the light guide plate 343 and the optical film set 342. The optical film set 342 is attached to the side of the light guide plate 343 adjacent to the liquid crystal display panel 32 via a glue 3452. The reflective sheet 345 is adhered to the side of the liquid crystal display panel 32 by the four side frames 3462 of the plastic frame 346. The light guide plate 343 and the optical film group 342 are sequentially stacked in the accommodating space formed by the four side frames 3462 of the plastic frame 346.
在本實施方式中，該反射片345為金屬材料同時用作該背光模組34的背板以省略現有背光模組中的背板使液晶顯示裝置30達到輕型化與薄型化之要求。該膠體3452可以是光學透明膠粘劑（Optical Clear Adhesive，OCA）或光學透明樹脂（Optical Clear Resin，OCR）等具有高透光率的膠粘劑。該光學膜片組342包括多個光學膜片，在本實施例中，該多個光學膜片可以是，但不限於擴散片、棱鏡片等。In the present embodiment, the reflective sheet 345 is a metal material and serves as a back sheet of the backlight module 34 to omit the back sheet in the conventional backlight module to make the liquid crystal display device 30 lighter and thinner. The colloid 3452 may be an adhesive having high light transmittance such as Optical Clear Adhesive (OCA) or Optical Clear Resin (OCR). The optical film set 342 includes a plurality of optical films. In the embodiment, the plurality of optical films may be, but not limited to, a diffusion sheet, a prism sheet, or the like.
請一併參閱圖9，圖9是圖7所示液晶顯示裝置30沿IX-IX線的截面示意圖。該遮光膠帶341自該背光模組34面對該液晶顯示面板32的側面回折到該背光模組34的遠離該液晶顯示面板32的側面。具體地，該遮光膠帶341為一中空“口”字形結構沿該膠框346的四個側框3462設置，該遮光膠帶341沿該膠框346的側框3462貼合至該反射片345遠離該液晶顯示面板32的一側。，該遮光膠帶341包括本體3412、第一延伸部3414與第二延伸部3416。該本體3412是由四條首尾依次相連的框型膠帶組成，該第一延伸部3414與該第二延伸部3416設置在該本體3412的同一側邊上，且該第一延伸部3414與該第二延伸部3416自該本體3412沿與第一方向X垂直的第二方向Y延伸，且該第一延伸部3414與該第二延伸部3416沿該膠框346的側框3462回折貼合至該反射片345遠離該導光板343的側面以緊固整個背光模組34。Please refer to FIG. 9. FIG. 9 is a schematic cross-sectional view of the liquid crystal display device 30 of FIG. 7 taken along line IX-IX. The light-shielding tape 341 is folded back from the side of the backlight module 34 facing the liquid crystal display panel 32 to the side of the backlight module 34 away from the liquid crystal display panel 32. Specifically, the light-shielding tape 341 is disposed along the four side frames 3462 of the plastic frame 346. The light-shielding tape 341 is attached to the reflective frame 345 along the side frame 3462 of the plastic frame 346. One side of the liquid crystal display panel 32. The light shielding tape 341 includes a body 3412, a first extension portion 3414, and a second extension portion 3416. The main body 3412 is composed of four frame-type adhesive tapes which are connected in series at the beginning and the end. The first extending portion 3414 and the second extending portion 3416 are disposed on the same side of the body 3412, and the first extending portion 3414 and the second portion are disposed. The extending portion 3416 extends from the body 3412 in a second direction Y perpendicular to the first direction X, and the first extending portion 3414 and the second extending portion 3416 are folded back along the side frame 3462 of the plastic frame 346 to the reflection. The sheet 345 is away from the side of the light guide plate 343 to fasten the entire backlight module 34.
請一併參閱圖10、圖11，圖10是本發明液晶顯示裝置第四實施方式組裝示意圖；圖11是圖10所示液晶顯示裝置的立體分解示意圖。液晶顯示裝置40包括液晶顯示面板42與設置在該液晶顯示面板42一側的背光模組44。該背光模組44為該液晶顯示面板42提供背光。該液晶顯示面板42可以是，但不限於平面轉換(In-Plane Switching，IPS)面板、邊緣場開關（Fringe Field Switching，FFS）面板等。10 and FIG. 11, FIG. 10 is a schematic view showing the assembly of the liquid crystal display device of the present invention; FIG. 11 is a perspective exploded view of the liquid crystal display device of FIG. The liquid crystal display device 40 includes a liquid crystal display panel 42 and a backlight module 44 disposed on one side of the liquid crystal display panel 42. The backlight module 44 provides backlighting for the liquid crystal display panel 42. The liquid crystal display panel 42 may be, but not limited to, an In-Plane Switching (IPS) panel, a Fringe Field Switching (FFS) panel, or the like.
該背光模組44包括遮光膠帶441、光學膜片組442、導光板443、背板445、膠框446與光源447。該膠框446包括四個依次連接的側框4462，該光源447設置在該導光板443的側邊並固定在該膠框446的側框4462上，該光源447用於發射可見光源。該導光板443用於將光源447發射之可見光轉換為平面光，以及用於承載該光學膜片組442。該光學膜片組442對從該導光板443射出的平面光進行均勻化及霧化等光學處理後，為該液晶顯示面板42提供均勻的平面光。該遮光膠帶441用於防止該液晶顯示裝置40內部的光線從該液晶顯示裝置40的非顯示區射出。該背板445設置該膠框446外側，該背板445包括一底板4450和自該底板4450邊緣垂直延伸出的四側壁4452，該底板4450與該四側壁4452形成一收容空間用於容置該膠框446。該膠框446用於收容並固定該導光板443與該光學膜片組442。該導光板443與該光學膜片組442依次層疊設置在該膠框446的四個側框4462形成的容置空間內。The backlight module 44 includes a light shielding tape 441, an optical film group 442, a light guide plate 443, a back plate 445, a plastic frame 446, and a light source 447. The frame 446 includes four side frames 4462 connected in series. The light source 447 is disposed on a side of the light guide plate 443 and is fixed on the side frame 4462 of the plastic frame 446. The light source 447 is used to emit a visible light source. The light guide plate 443 is configured to convert visible light emitted by the light source 447 into planar light, and to carry the optical film set 442. The optical film group 442 is subjected to optical processing such as homogenization and atomization of the planar light emitted from the light guide plate 443, and then provides uniform planar light to the liquid crystal display panel 42. The light-shielding tape 441 is for preventing light inside the liquid crystal display device 40 from being emitted from the non-display area of the liquid crystal display device 40. The back plate 445 is disposed on the outer side of the plastic frame 446. The back plate 445 includes a bottom plate 4450 and four side walls 4452 extending perpendicularly from the edge of the bottom plate 4450. The bottom plate 4450 and the four side walls 4452 form a receiving space for receiving the back plate 445. Plastic frame 446. The plastic frame 446 is configured to receive and fix the light guide plate 443 and the optical film set 442. The light guide plate 443 and the optical film group 442 are sequentially stacked in the accommodating space formed by the four side frames 4462 of the plastic frame 446.
在本實施方式中，該背板445為金屬材料同時用作該背光模組44的反射片。該光學膜片組42包括多個光學膜片，在本實施例中，該多個光學膜片可以是，但不限於擴散片、棱鏡片等。In the embodiment, the back plate 445 is a metal material and serves as a reflection sheet of the backlight module 44. The optical film set 42 includes a plurality of optical films. In the embodiment, the plurality of optical films may be, but not limited to, a diffusion sheet, a prism sheet, or the like.
請一併參閱圖12，圖12是圖10所示液晶顯示裝置40沿XII-XII線的截面示意圖。該遮光膠帶441自該背光模組44面對該液晶顯示面板42的側面回折到該背光模組44的遠離該液晶顯示面板22的側面。具體地，該遮光膠帶441為一中空“口”字形結構沿該膠框246的四個側框4462設置，該遮光膠帶441沿該背板445的側壁貼合至該背板445底部。該遮光膠帶441包括本體4412、第一延伸部4414與第二延伸部4416。該本體4412是由四條首尾依次相連的框型膠帶組成，該第一延伸部4414與該第二延伸部4416設置在該本體4412的同一側邊上。該本體4412是由四條首尾依次相連的框型膠帶組成，該第一延伸部4414與該第二延伸部4416設置在該本體4412的同一側邊上，且該第一延伸部4414與該第二延伸部4416自該本體4412沿與第一方向X垂直的第二方向Y延伸，且該第一延伸部4414與該第二延伸部4416沿該背板的側壁4452貼合至該背板445遠離該導光板443的底面以緊固整個背光模組44。Referring to FIG. 12 together, FIG. 12 is a schematic cross-sectional view of the liquid crystal display device 40 of FIG. 10 taken along line XII-XII. The light-shielding tape 441 is folded back from the side of the backlight module 44 facing the liquid crystal display panel 42 to the side of the backlight module 44 away from the liquid crystal display panel 22 . Specifically, the light-shielding tape 441 is disposed along a four side frame 4462 of the plastic frame 246. The light-shielding tape 441 is attached to the bottom of the back plate 445 along the sidewall of the back plate 445. The light shielding tape 441 includes a body 4412, a first extension 4414, and a second extension 4416. The body 4412 is composed of four frame-type tapes that are connected in series at the beginning and the end. The first extension portion 4414 and the second extension portion 4416 are disposed on the same side of the body 4412. The main body 4412 is composed of four frame-type tapes that are connected in series at the beginning and the end. The first extending portion 4414 and the second extending portion 4416 are disposed on the same side of the body 4412, and the first extending portion 4414 and the second portion are disposed. The extending portion 4416 extends from the body 4412 in a second direction Y perpendicular to the first direction X, and the first extending portion 4414 and the second extending portion 4416 are attached to the backing plate 445 along the side wall 4452 of the backboard. The bottom surface of the light guide plate 443 is used to fasten the entire backlight module 44.
前述的液晶顯示裝置包括遮光膠帶，且該遮光膠帶自該背光模組44面對該液晶顯示面板42的側面回折到該背光模組44的遠離該液晶顯示面板22的側面從而增強背光模組的整體強度，且避免灰塵進入背光模組內部提高產品良率。The liquid crystal display device includes a light-shielding tape, and the light-shielding tape is folded back from the side of the backlight module 44 facing the liquid crystal display panel 42 to the side of the backlight module 44 away from the liquid crystal display panel 22 to enhance the backlight module. Overall strength and avoid dust entering the interior of the backlight module to improve product yield.
如上所述，本發明符合發明專利要件，爰依法提出專利申請。惟，以上所述者僅為本發明之較佳實施方式，本發明之範圍並不以上述實施方式為限，舉凡熟悉本案技藝之人士援依本發明之精神所作之等效修飾或變化，皆應涵蓋於以下申請專利範圍內。As described above, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application.
10、20、30、40‧‧‧液晶顯示裝置10, 20, 30, 40‧‧‧ liquid crystal display device
12、22、32、42‧‧‧液晶顯示面板12, 22, 32, 42‧‧‧ LCD panel
14、24、34、44‧‧‧背光模組14, 24, 34, 44‧‧‧ backlight module
141、241、341、441‧‧‧遮光膠帶141, 241, 341, 441‧‧‧ shading tape
142、242、342、442‧‧‧光學膜片組142, 242, 342, 442‧‧‧ optical film set
143、243、343、443‧‧‧導光板143, 243, 343, 443‧‧ ‧ light guide
1452、3452‧‧‧膠體1452, 3452‧‧ ‧ colloid
145、345‧‧‧反射片145, 345‧‧‧ reflection film
245、445‧‧‧背板245, 445‧‧ ‧ backplane
2450、4450‧‧‧底板2450, 4450‧‧‧ bottom plate
2452、4452‧‧‧側壁2452, 4452‧‧‧ side wall
146、246、246、346‧‧‧膠框146, 246, 246, 346‧‧‧ plastic frame
1462、2462、3462、4462‧‧‧側框1462, 2462, 3462, 4462‧‧‧ side frame
1412、2412、3412、4412‧‧‧本體1412, 2412, 3412, 4412‧‧‧ ontology
1414、2414、3414、4414‧‧‧第一延伸部1414, 2414, 3414, 4414‧‧‧ first extension
1416、2416、3416、4416‧‧‧第二延伸部1416, 2416, 3416, 4416‧‧‧ second extension
無no
10‧‧‧液晶顯示裝置 10‧‧‧Liquid crystal display device
12‧‧‧液晶顯示面板 12‧‧‧LCD panel
14‧‧‧背光模組 14‧‧‧Backlight module
141‧‧‧遮光膠帶 141‧‧‧Lighting tape
142‧‧‧光學膜片組 142‧‧‧Optical diaphragm group
143‧‧‧導光板 143‧‧‧Light guide plate
Claims (10)
A liquid crystal display device includes a liquid crystal display panel and a backlight module, the backlight module includes a light guide plate, an optical film group, and a plastic frame, wherein the plastic frame is used for fixing the light guide plate and the optical film group, wherein the backlight The module further includes a light-shielding tape that is folded back from a side of the backlight module facing the liquid crystal display panel to a side of the backlight module that is away from the liquid crystal display panel.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121564.5A CN104763925B (en) | 2015-03-19 | 2015-03-19 | Backlight module and liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201640198A true TW201640198A (en) | 2016-11-16 |
| TWI596408B TWI596408B (en) | 2017-08-21 |
Family
ID=53645931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW104112493A TWI596408B (en) | 2015-03-19 | 2015-04-17 | Backlight module and liquid crystal display device using same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104763925B (en) |
| TW (1) | TWI596408B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224233A (en) * | 2018-01-02 | 2018-06-29 | 京东方科技集团股份有限公司 | A kind of display module, display device, backlight and assemble method |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842893A (en) * | 2016-05-12 | 2016-08-10 | 乐视控股（北京）有限公司 | Display module and display device |
| CN106226955A (en) * | 2016-09-29 | 2016-12-14 | 深圳市宇顺工业智能科技有限公司 | Display |
| CN108089365A (en) * | 2016-11-22 | 2018-05-29 | 群创光电股份有限公司 | Display device |
| CN107037634A (en) * | 2017-06-26 | 2017-08-11 | 武汉天马微电子有限公司 | Display device |
| CN113625387B (en) * | 2021-08-20 | 2023-06-02 | 业成科技（成都）有限公司 | Backlight module |
| CN115951516B (en) * | 2022-12-08 | 2024-06-25 | 业成科技（成都）有限公司 | Backlight module and display device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3237571B2 (en) * | 1997-05-30 | 2001-12-10 | 市光工業株式会社 | Flat color light emitting device |
| CN201029017Y (en) * | 2007-03-09 | 2008-02-27 | 群康科技(深圳)有限公司 | LCD device |
| CN201576147U (en) * | 2009-08-10 | 2010-09-08 | 浙江新力光电科技有限公司 | Liquid crystal display module shading tape structure |
| CN102566091A (en) * | 2010-12-23 | 2012-07-11 | 东莞万士达液晶显示器有限公司 | Liquid crystal display device |
| CN102289089B (en) * | 2011-07-22 | 2013-06-12 | 友达光电(厦门)有限公司 | Flat display |
| TWI472838B (en) * | 2012-03-03 | 2015-02-11 | Au Optronics Corp | Display device and protection structure |
-
2015
- 2015-03-19 CN CN201510121564.5A patent/CN104763925B/en not_active Expired - Fee Related
- 2015-04-17 TW TW104112493A patent/TWI596408B/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224233A (en) * | 2018-01-02 | 2018-06-29 | 京东方科技集团股份有限公司 | A kind of display module, display device, backlight and assemble method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104763925A (en) | 2015-07-08 |
| TWI596408B (en) | 2017-08-21 |
| CN104763925B (en) | 2018-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI596408B (en) | Backlight module and liquid crystal display device using same | |
| US9778412B2 (en) | Snap-fit for fixing optical film, and backlight module and liquid crystal display with the same | |
| JP5222229B2 (en) | Display device | |
| JP6440227B2 (en) | Backlight module and display device | |
| WO2016176929A1 (en) | Backlight module and liquid crystal display | |
| TW201137444A (en) | Display apparatus | |
| TWI464499B (en) | Backlight module and display device using the same | |
| TWI424219B (en) | Touch display device | |
| JP7150093B2 (en) | Display device and liquid crystal module | |
| TWI718740B (en) | Display apparatus | |
| WO2014180035A1 (en) | Liquid crystal display device | |
| US9753215B2 (en) | Backlight, liquid crystal module and display device | |
| WO2017202131A1 (en) | Backlight source module and display device | |
| TWI460497B (en) | Display module | |
| US9551894B2 (en) | Display | |
| US20160320552A1 (en) | Backlight unit and a display | |
| TW201504724A (en) | Backlight module and liquid crystal display | |
| WO2016078119A1 (en) | Optical film positioning structure of backlight module, backlight module and display | |
| WO2018232791A1 (en) | Rubber frame for backlight module, backlight module and liquid crystal display module | |
| TW201416775A (en) | Display device | |
| TW201608313A (en) | Display device | |
| WO2016101363A1 (en) | Backlight module structure | |
| CN106773201B (en) | Liquid crystal display and display panel thereof | |
| KR20170050163A (en) | Liquid crystal display module and liquid crystal display apparatus using the same | |
| US20140333870A1 (en) | Liquid crystal display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |