TWI313372B - - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device, and more particularly to a liquid crystal display device capable of preventing damage due to electrostatic discharge. The prior art generally has a similar construction to the conventional liquid crystal display. As shown in FIG. 1 , a conventional liquid crystal display 1 mainly includes a light guide m 〇 ule ll, a lower polarizing plate 12 , and a lower glass substrate (l〇wer giass substrate). 13. An upper glass-substrate 14, an upper polarizer 15, a fran 16 and a metal bezel 17. In particular, the lower polarizing plate 12, the lower glass substrate 13, the upper glass substrate 14, and the upper polarizing plate 15 may be referred to as a liquid crystal module (LCD module) 10. The light guiding module η further has a light guide plate 1 la and a light source 1 ib. The lower polarizing plate 12 is disposed on the light guiding module 11, and a gap 18 is also present between the lower polarizing plate 12 and the light guiding module 11. The lower glass substrate 13 is disposed on the lower polarizing plate 12, the upper glass substrate 14 is disposed on the lower glass substrate 13, and the upper polarizing plate 15 is disposed on the upper glass substrate 14. The frame 16 is wrapped on the outer side of the light guiding module 11, the lower polarizing plate 12, the lower glass substrate 13 and the upper glass substrate 14. The light guiding module 11 and the lower polarizing plate 1 2 'the lower glass substrate can be fixed. 1 3 and the upper glass substrate 14 . Two metal frames 竿1 7 ij are wrapped on the outer side of the upper glass substrate 14 and the frame 16. At the same time, the two metal frames 17 , the frame 16 and the liquid crystal module can be screwed by screws (not shown).

0773-10114twF(nl); P91290; Hawdong.ptd Page 5 1313372

l 锁 Locked in, up. {External, /•一λ Qiu Yubai's female is also covered with an outer raft (to gg-, etc.) on the outside of the two metal frames 17 and the frame 16 and the outer casing may be made of Zhenshao alloy. When the light emitted by the light is transmitted upward through the light guide plate, the glass A plate 3 gap 18, the lower polarizing plate 12, the lower glass substrate 13, the upper glass and the top plate 14 and the image displayed by the t value m group 10 are displayed. Therefore, the human eye can see the liquid crystal mode voltage ί: U ΐ U in the liquid crystal display belongs to a kind of low current high Α ", so the electromagnetic wave interference of the liquid crystal display is mainly in the operation of the electric field liquid 曰 3 display or transmission process, often due to The phenomenon of electrostatic discharge occurs due to the generation of electrostatic voltage. The static electricity released from this will often cause damage to the liquid crystal module in the liquid crystal display. Similarly, in the liquid crystal display, it does not provide any electrostatic discharge, antistatic (electro Static Dissipative, ESD) structure or power month b, therefore, when the phenomenon of static discharge of the vertical pressure occurs, the liquid crystal module 10 of the liquid crystal display i may suffer permanent damage due to the inability to withstand the high-voltage static electricity, thereby In view of the above, the object of the present invention is to provide an improved liquid crystal display device to overcome the above-mentioned problem caused by high voltage electrostatic discharge phenomenon. The display device is designed by following the design rules of electrostatic discharge protection (ESD), and therefore, the present invention Crystal display device will not be damaged by high voltage electrostatic discharge phenomenon occurs, and thus it can significantly improve product reliability.

1313372 V. Description of invention (3) The subject of invention. Also placed on the ground element that covers the frame, the root layer. In the present invention, the present invention is non-transparent in the present invention. The present invention is used in the present invention. The present invention is used in the present invention. a light guiding module on the upper side of the group and connected to the liquid crystal of the present invention, wherein the transparent mesh is transparent, the mesh is electrically conductive, and the liquid crystal and a second glass are connected In the first glass substrate, and the problem group described in the second invention, the frame is placed on the one and the transparent guide, and the module is formed and the frame is first. The glass-glass system is characterized in that the glass substrate is detailed in order to solve the above-mentioned problem, comprising a light guiding module; a liquid crystal module, and having a conductive layer; a frame of the liquid crystal module; a conductive frame 'located on the The conductive layer of the liquid crystal module; with an electric frame. The crystal display device's conductive layer is a layer of a mesh metal layer. The conductive layer is composed of indium tin oxide (ΙΤΟ) metal layer composed of copper. The metal layer is composed of silver. The frame further has a bent portion that is electrically conductive to the conductive layer of the liquid crystal module. The module further has a first polarizing plate, a substrate and a second polarizing plate. The second polarizing plate is formed on the second glass substrate, and the conductive layer is formed on the second polarizing plate. In the middle, the mesh metal layer is disposed and distributed on the liquid crystal region. Mingzhong, Mingzhong, Mingzhong, Bending section Mingzhong,

0773-10114twF(nl); P91290; Hawdong.ptd Page 7 1313372 V. Invention Description (4) --- Upper. In the present invention, the light guiding module further has a light guiding plate and at least one light source. The light source is disposed on a side of the light guiding plate. In the present invention, the light guiding module and the liquid crystal module further have a gap. The above described objects, features and advantages of the present invention will become more apparent from the description of the appended claims. BEST MODE FOR CARRYING OUT THE INVENTION A preferred embodiment of the present invention will be described with reference to the drawings. - First Embodiment Referring to FIG. 2, the liquid crystal display device 1 of the present embodiment mainly includes a light guide module (1 ight guide module) 110, a liquid crystal module (LCD module) 120, and a frame. (frame) 130, a plurality of conductive bezels 140, and a grounding element 150. The light guide module 110 has a light guide panel 111 and a light source 112, wherein the light source 112 is disposed on a side of the light guide plate 111. The liquid crystal module 120 is disposed above the light guiding module 110, and there is a gap 丨6 〇 between the liquid crystal module 120 and the light guiding module 11 〇. The liquid crystal module 120 is composed of a first polarizer 121, a first glass substrate 122, a second glass substrate 123, and a second polarizer 124. . Most particularly, there is a conductive layer 125 in the liquid crystal module 120. As described above, the first glass substrate 122 is disposed on

0773-10114twF(nl); P91290; Hawdong.ptd Page 8 1313372 V. Description of the Invention (5) Above the first polarizing plate 121, the second glass substrate 123 is disposed on the first glass substrate 122, and the conductive layer 125 is formed on the second glass substrate 123' and the second polarizing plate 124 is disposed on the conductive layer 125. It is worth noting that 'the liquid crystal module 丨2 又 can be roughly divided into a light-transmitting area and a non-light-transmitting area. Therefore, the conductive layer 丨25 must be disposed before the transparent region of the liquid crystal module 120 is not shielded. Therefore, in this embodiment, a transparent conductive layer or a mesh metal layer is used as the conductive layer. Layer 125. For example, the transparent conductive layer may be composed of indium tin oxide (indiuni 11 π ox 1 de ' I TO ). As for the mesh metal layer, it is necessary to avoid the light-transmitting region of the liquid crystal module 丨2. 形成 when formed on the second glass substrate 1 2 3 , that is, the area actually distributed by the mesh metal layer must be It is located on the non-transparent area of the liquid crystal module 120. Further, the mesh metal layer may be composed of silver, copper or other metal material having good electrical conductivity. As shown in FIG. 2, the frame 130 is covered by the light guide module no and the liquid crystal module 120, which can be used to fix the light guide module and the liquid crystal module 120. The conductive frame 140 is disposed on the frame. Above 130, it can further lock the frame 130 and the liquid crystal module 1 2 and the like together. In particular, the conductive frame 140 of the present embodiment is connected to the conductive layer 125 of the liquid crystal module 12, and the conductive frame 140 is connected to the ground element 150. According to the structure of the liquid crystal display device according to the above embodiment, when the static electricity accumulation phenomenon occurs in the liquid crystal display device 1 or the liquid crystal module 1 2, the electrostatic current passes through the conductive layer 125. Conducted to the conductive frame 1 400, and then derived through the grounding element 1 5 ,, thus, liquid crystal

0773-10114twF(nl); P91290; Hawdong.ptd 1313372 V. Description of the invention (6) The internal components of the display device 100 or the liquid crystal module 丨2 不会 are not damaged by the electrostatic discharge phenomenon. In addition, after the liquid crystal display device is manufactured, it can also be subjected to a high-voltage static electricity to perform electrostatic discharge protection (ESD) t-test. Thus, it can be known that the liquid crystal display device is in electrostatic discharge. Compliance with the protection. SECOND EMBODIMENT In the present embodiment, the same components as those of the first embodiment are denoted by the same reference numerals.

Referring to FIG. 3, the liquid crystal display device of the present embodiment mainly includes a light guiding module 110, a liquid crystal module 丨2 〇, a frame 丨3 〇, and a plurality of conductive frames 1 4 0 'And a grounding element 1 5 〇. The difference between this embodiment and the first embodiment lies in the difference in the structure of the conductive frame, and the rest of the component structure and arrangement are the same as those in the first embodiment. Therefore, in order to make the contents of the specification clearer and easier to understand, the description is omitted. The same narrative.

Still referring to FIG. 3, in order to achieve the purpose of reducing the weight and thickness of the liquid crystal display device, the thickness of the conductive frame 丨4 〇' is reduced in this embodiment (the conductive frame of the first embodiment) Half of the thickness of 140). At the same time, a conductive portion 140 is formed on the conductive frame 140', and the bent portion 141 is pressed against the conductive layer 1 2 5 of the liquid crystal module 120. Therefore, the conductive frame 14 is bent. The folded portion 141 is connected to the conductive layer 丨25 of the liquid crystal module 丨2 。. Similarly, when a liquid crystal display device 〇 〇 or a liquid crystal module 丨 2 〇 has a static electricity accumulation phenomenon, the electrostatic current passes through the conductive layer.

0773-10114twF(nl); P91290; Hawdong.ptd ίο pp 1313372 V. Description of the invention (7) 125, the f-fold 141 is conducted to the conductive frame 14A, and then is derived via the grounding element 15〇' The internal components of the liquid crystal display device 100' or the liquid crystal module 120 are not damaged by the presence of the electrostatic discharge phenomenon. In addition, after the liquid crystal display device 1 〇〇 is manufactured, it can also be subjected to electrostatic discharge protection (ESD) safety test by a static electricity of the south, so that the liquid crystal display device 1 〇 0 ' Compliance with electrostatic discharge protection. As for the contact portion of the conductive frame 110' with the conductive layer 125, the bent portion 141' is in addition to the above-described weight reduction and thinning considerations, and also because when the conductive frame 140 is pressed down to the conductive layer 125. The bent portion 141 can form a close contact with the conductive layer 125 more surely, and at the same time, the overall structural strength of the conductive frame 140' is further improved. THIRD EMBODIMENT In the present embodiment, the same components as those of the first embodiment are denoted by the same reference numerals. Referring to FIG. 4, the liquid crystal display device 100 of the present embodiment mainly includes a light guiding module (1 i gh t gu i de mod u 1 e ) Π 0, a liquid crystal module (LCD module) 120 And a frame 130. In particular, the frame 130' may be made of a conductive material and have a function of grounding. The light guide module 110 has a light guide panel 111 and a light source 112. The light source 112 is disposed on a side of the light guide plate 111. The liquid crystal module 120 is disposed on the light guiding module 11 , and has a gap 160 between the liquid crystal module 120 and the light guiding module 1 1 〇. The liquid crystal module 1 2 0 is a first polarizer (first polarizer) 121 'the first glass substrate

0773*10114twF(nl); P91290; Hawdong.ptd page 11 1313372 5. invention (8) (first glass substrate) 1 22, second glass substrate 123 and second polarizer (second po 1) Ar i zer) 1 2 4 composition. Most particularly, there is a conductive layer 125 among the liquid crystal modules 120. As described above, the first glass substrate 122 is disposed on the first polarizing plate 121, the second glass substrate 123 is disposed on the first glass substrate 122, and the conductive layer 125 is formed on the second glass substrate 123. And the second polarizing plate 124 is disposed on the conductive layer 125. It is worth noting that the liquid crystal module 120 can be roughly divided into a light-transmitting region and a non-light-transmitting region. Therefore, the conductive layer 1 2 5 must be disposed before the transparent region of the liquid crystal module 120 is not shielded. Therefore, in this embodiment, a transparent conductive layer or a mesh metal layer is used. It is a conductive layer 1 2 5 . For example, the transparent conductive layer may be composed of indium tin oxide (I TO). As for the mesh metal layer, the transparent region of the liquid crystal module 120 must be avoided when being formed on the second glass substrate 123, that is, the area where the mesh metal layer is actually distributed must be located in the liquid crystal module. 1 2 0 on the non-transparent area. Further, the 'mesh metal layer' may be composed of silver, copper or other metal material having good electrical conductivity. As shown in FIG. 4, the frame 130 is wrapped around the light guide module 11 and the liquid crystal module 120, and the frame 30 is connected to the conductive layer 125 of the liquid crystal module 12. It should be noted that the frame 1 3 〇 of the present embodiment can be said to be a combination of the frame 1 30 and the conductive frame 140 in the first embodiment, and can be integrally formed in the manufacturing process. . The structure of the liquid crystal display device 1 〇 ’ '' according to the above embodiment

0773-10114twF(nl); P91290; Hawdong.ptd Page 12 1313372 Description of invention (9) Five $ know 'When the liquid crystal display device 1〇〇, or the liquid crystal module 12〇 has a static pivot, the phenomenon When generated, the electrostatic current is conducted to the extraction 130 through the conductive layer 125. At this time, since the frame 130' has a function of grounding, the static electricity flows out = is led out through the frame 130, and therefore, the liquid crystal display device 1〇〇, ^ = The internal components of the crystal module 1 20 will not be damaged by the existence of the electrostatic discharge phenomenon. In addition, in the liquid crystal display device 1〇〇, it is manufactured, and can be subjected to electrostatic discharge protection (E讥) anti-S test by a high-voltage static electricity. Thus, the liquid crystal display device 100'' can be known to be electrostatically charged. Compliance is checked for discharge protection. % 限 - Ϊ The present invention has been disclosed in the preferred embodiment, but it is not used by # ^ ^ ^ & , , , for the person skilled in the art, without departing from the essence of the present invention. It is possible to make some changes and run # '. Therefore, the warranty of the present invention is defined by the patent (4) attached to it.

I 0773-10114twF(nl); P91290; Hawdong.ptd Page 13 1313372 BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic cross-sectional view showing a conventional liquid crystal display; FIG. 2 is a view showing a liquid crystal according to a first embodiment of the present invention. 3 is a schematic cross-sectional view showing a liquid crystal display device according to a second embodiment of the present invention; and FIG. 4 is a cross-sectional view showing a liquid crystal display device according to a third embodiment of the present invention. DESCRIPTION OF REFERENCE NUMERALS I 0~liquid crystal module; II a to light guide plate; 1 2 to lower polarizing plate; 1 4 to upper glass substrate; 1 6 to frame; I 8 to gap; liquid crystal display device; II 1 to light guide plate; 2 0 ~ liquid crystal module; 122 ~ first glass substrate 1 2 4 ~ second polarizing plate; 1 3 0, 1 3 0 '~ frame; 1 4 1 ~ bent portion; 1 6 0 ~ gap. 1~liquid crystal display; 11~ light guide module; 11 b ~ light source; 1 3~ lower glass substrate; 1 5~ upper polarizing plate; I 7~ metal frame; 100, 100', 100' 'II 0~ light guide Module; 11 2 ~ light source; 121 ~ first polarizing plate; 123 ~ second glass substrate; 125 ~ conductive layer; 140, 140' ~ conductive frame 1 5 0 ~ grounding element;

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Claims (1)

1313372 Case No. 92124845 β7! Year of the month? IaiV is $7曰_Fix this six, the scope of the patent application 1. First, the seed liquid contains the layer 'in the module, the 3., the 4. 5. In, on the domain. The light guide mode liquid crystal mold second glass and the guide frame, the conductive frame of the conductive ground element is applied for a conductive layer, for example, applying for a conductive layer, such as applying for a transparent guide, such as applying for a mesh gold display device [k ώ group, set in the Above the light guiding module, and the liquid crystal module of the liquid crystal module, the second glass substrate further has a gap between the conductive optical module and the liquid crystal module; a liquid crystal module; a frame disposed on the frame and connected to the liquid crystal layer; and a member connected to the conductive frame. The liquid crystal display device of claim 1, which is a transparent conductive layer. The liquid crystal display device of claim 1, which is a mesh metal layer. The liquid crystal display device of claim 2, wherein the electrical layer is composed of indium tin oxide (IT 0). The liquid crystal display device according to item 3, wherein the mesh gold is as in the application. 7. In the application, the mesh gold 8. In the application, the conductive frame patent layer layer is disposed and distributed in the The liquid crystal display device of the third aspect of the non-transparent area of the liquid crystal module is composed of copper. In the liquid crystal display device of the third aspect of the patent, the genus layer is composed of silver. The liquid crystal display device of claim 1, wherein the frame further has a bent portion, and the conductive frame is bent by the bend 0773-10114TWF2(Nl)(20080820).ptc Page 15 1313372 --- Plug No. 92124845_年月日修 j £ VI. Patent scope ^---- Folded and connected to the LCD module Floor. 9. The liquid crystal display nesting according to claim 1 of the patent application scope, the middle layer of the liquid crystal module further has a first polarizing plate, a first one, a - I* - W., . a substrate, a substrate, and a second polarizing plate, wherein the first substrate is disposed on the first polarizing plate of the 5th, and the second glass substrate is disposed on the first glass substrate. A layer is formed on the second glass substrate, and the second polarizing plate is disposed on the conductive layer. The liquid crystal display device of claim 1, wherein the light guiding module further has a light guide plate and at least one light source. The light source is sighed and disposed on a side of the light guide plate. The liquid crystal display device comprises: a light guiding module; a liquid crystal module is disposed on the light guiding module, and the liquid crystal module comprises a second glass substrate, the second glass substrate Further having a conductive layer ′ and a gap between the light guiding module and the liquid crystal module; and a frame “covered on the light guiding module and the liquid crystal module” and connected to the liquid crystal module Conductive layer. 1 2. A liquid crystal display device as claimed in claim 1 wherein the frame is made of a conductive material. 1 3. The liquid crystal display device according to claim 1 is characterized in that the electrical layer is a transparent conductive layer. 1 4. The liquid crystal display device of claim 11 is a mesh metal layer. 1 5. The liquid crystal display device according to claim 13 of the scope of the patent application, wherein 1313372 _ Case No. 92124845_年月日日__ VI. In the patent application scope, the transparent conductive layer is composed of indium tin oxide (I T 0 ). The liquid crystal display device of claim 14, wherein the mesh metal layer is disposed and distributed on a non-light transmitting region of the liquid crystal module. The liquid crystal display device of claim 14, wherein the mesh metal layer is composed of copper. The liquid crystal display device of claim 14, wherein the mesh metal layer is composed of silver. The liquid crystal display device of claim 1, wherein the liquid crystal module further comprises a first polarizing plate, a first glass substrate, a second glass substrate and a second polarizing plate. The first glass substrate is disposed on the first polarizing plate, and the second glass substrate is disposed on the first glass substrate, the conductive layer is formed on the second glass substrate, and the second A polarizing plate is disposed on the conductive layer. The liquid crystal display device of claim 1, wherein the light guiding module further comprises a light guiding plate and at least one light source, wherein the light source is disposed on a side of the light guiding plate. 0773 -10114TWF2(N1)(20080820).ptc Page 17 1313372 SS__92124845 IV. Abstract of Chinese Invention (Invention Name: Liquid Crystal Correction Display Device) A liquid crystal display device comprising a light guiding module, a liquid crystal module, and a , j, a conductive frame and a grounding element. The liquid crystal module is disposed above the module and has a conductive layer. The frame is wrapped in a ^, group and the liquid crystal module. The conductive frame is disposed on the frame and is connected to the conductive layer of the liquid crystal module. The grounding element is coupled to the conductive frame. Wu, (1) The representative figure of the case is: Figure 3, the representative figure of the representative figure of the case is a simple description 1 〇〇 '~ liquid crystal display device 11 light guide plate; 12 〇 ~ liquid crystal module; 122 ~ first glass substrate 124 ~ second polarizing plate; 1 3 0 ~ frame; 11 0 ~ light guiding module; 11 2 ~ light source; 1 2 1 ~ first polarizing plate; 123 ~ second glass substrate 125 ~ conductive layer; 1 4 0 '~ Conductive frame; ❿ 6. English invention summary (invention name: LCD device) An LCD device. The LCD device includes a light guide module, an LCD module, a frame, a bezel, and a grounding element. The LCD module is disposed on The light covers module and includes a conductive layer. The frame covers the light guide module and LCD module. The bezel is disposed on the frame and is connected to the conductive layer of the LCD module. 0773-10114TWFl(Nl).ptc Page 2 1313372 Case No. 92124845 _η Correction IV. Abstract of Chinese invention (invention name: liquid crystal display device) 1 41~bending part; 1 6 0~ gap. 1 5 0 ~ Grounding element 6. English abstract (invention name: LCD device) element is connected to the bezel. Ϊ m i 0773-10114HFl(Nl).ptc Page 3