CN1140271A - foldable display - Google Patents
foldable display Download PDFInfo
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- CN1140271A CN1140271A CN 96104907 CN96104907A CN1140271A CN 1140271 A CN1140271 A CN 1140271A CN 96104907 CN96104907 CN 96104907 CN 96104907 A CN96104907 A CN 96104907A CN 1140271 A CN1140271 A CN 1140271A
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- display screen
- electronic installation
- portable
- screen
- amplifier element
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- 239000012528 membrane Substances 0.000 claims description 7
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 claims description 2
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Abstract
A foldable display screen comprising: at least two secondary display screens; (b) connecting the side edges of the multiple display screens by using hinges; (c) the secondary display screen is provided with an optical amplification element, and the amplification factor of the optical amplification element is between 1.05 and 1.3; (d) a transparent film covering the two secondary display screens and the hinge. The optical magnification element may make the entire screen look larger. This folded cascade's display screen provides the user convenient to carry on the one hand, and on the other hand makes the display screen not too little again, increases the travelling comfort of watching the operation. It can be applied to electronic books, electronic walking sticks, pen type computers, portable televisions and other devices.
Description
The present invention relates to a kind of folding display screen that is used for electronic installation.Particularly relate to the display screen on a kind of portable electronic product, such as notebook computer, or other similar products.When it did not use, display screen can be folded up, and to reduce overall dimensions, increased the convenience of operation.
In the information age of high development, commercial competition can utilize the communication capital construction to transmit degree with application message fast with successfully depending on member of enterprise.Wherein supply the spare part of communication capital construction, in the inevasible development that is involved in portable type communication design, as notebook computer.
When this series products of design, apparent size is an important factors.The emphasis that must grasp is to have only the product miniaturization could make that operation is easy to carry.On the other hand the user always wishes to have maximum display screen, make watch the most comfortable.Display screen provides interface necessary between people and the machine, mainly is to take the pen type input, and it can improve the correctness of input.Therefore in the design of portable type Communication Equipment, face two kinds of principal contradictions, need volume little on the one hand, on the other hand, must consider to increase screen.Up to the present, not gratifying answer, so we will propose new design for solving this contradiction.United States Patent (USP) 5,049, the portable computer and the auxiliary type computer notebook of an on-keyboard delivered in 862 (patent ' 862), and they provide the screen that can fold for increasing display area.In ' 862, foldable screen is a double screen that separates and obvious boundary line is arranged, and can not satisfy must asking of a combination type screen in patent.(remarks: the double screen that patent 862 provides all is two display surfaces that separate.The beholder wishes to use the single display screen, makes double-display screen can be combined into a display screen that does not have slot.
The object of the present invention is to provide a kind of volume little, the folding electronic image display screen that display area is big.It is that minimum apparent size and maximum and comfortable visual display screen are arranged.More important is that this invention can be convenient for carrying, and as notes type or inferior notes type PC, type computer, individual message machine etc. on hand, the size that so can suitably reduce outward appearance keeps the Visual Display of the most comfortable again.Folding display screen can be applied in this creation in the parts or design of electronic type, the machinery of or computer control auxiliary as computer, survey instrument etc.In this machine,,, prevent to damage in any case folding display screen can be protected though minimum size is not most important.
This foldable display screen of the present invention and folding-type electronic device of the prior art are different, and display screen can not fold in the folding-type electronic device of existing design.Display screen of the present invention is made up of two less screens, when not using, and collapsible and reduce area occupied.
Preferred embodiment of the present invention is to utilize hinging manner that two screens are linked together through a central shaft.Two screens become 0 degree when closing, when opening then two screens become 180 degree.Two screens form an integral body on a plane in the position of stopping the rotation.
For the perceptual image that the user is provided substitutes double screen separately at complete display screen of operation, on two displays, put the mirror that an optics amplifies.This optical loupes comprises lens that the flat one side of an one side is protruding or zone-plate or optics amplifier element, design to such an extent that make this screen (referring to double screen) as if jointlessly link together especially, the user will only see a complete display screen, and the scheme of this amplification optical element tightly links together the image from two screens.
Foldable screen of the present invention is also enclosed a clear films on two screens and the hinge in the middle of them.This transparent membrane be by flexible and resilient material made as PVC, PE etc.In fact this flexible and bendable transparent film is combined into a complete display screen to two display screens, and this display screen can fold bending and can not accumulate dust or other foreign matters.
This folding display screen can be combined in the complete product that meets market and consumer demand on some electronic installations with composition.These accessories comprise the slot of keyboard, loudspeaker, CCD camera and PCMCIA.Moreover the pressure-sensitive plate of pen type input is additional to and can becomes a complete electronic installation on the display screen.
Foldable display screen also can add some application programs and be used as the mechanical, electrical philosophical works of personal data, electronics walking stick, pen based computer, portable TV etc.Display screen of the present invention also can be used for other electronic product such as numerical value control and surveying instrument.
Reach embodiment in conjunction with the accompanying drawings, characteristics of the present invention be described as follows:
Description of drawings:
Fig. 1 is illustrated in the naked synoptic diagram of observing object of looking under the certain distance;
Fig. 2 represents nakedly to look the synoptic diagram of watching 25cm object far away;
Fig. 3 represents the naked synoptic diagram that the observation object is subjected to the influence of convex lens of looking;
Fig. 4 represent to see through level crossing present the synoptic diagram of object image;
Fig. 5 shows two vertical views that display screen launched of the embodiment of the invention;
Foldable display screen was from the cut-open view of Fig. 5 section line 6-6 ' when Fig. 6 represented to launch;
Foldable display screen was from the cut-open view of Fig. 5 section line 7-7 ' when Fig. 7 represented to launch;
Fig. 8 represents the side view when display screen is closed;
Side view when Fig. 8-A represents that display screen is semi-open;
Foldable display screen was from the profile line 6-6 ' cut-open view of Fig. 5 when Fig. 9 represented to launch;
The side-looking structure of Fig. 9-A time display screen and each layer structural drawing;
Fig. 9-B, C represent side isometric view and each layer synoptic diagram of time display screen;
Figure 10 represents that this folding display screen does not add optical male lens vertical view before;
Figure 11 represents that this folding display screen adds the synoptic diagram of optics amplifier element;
Figure 12 A represents to add the displaying principle and the method for optics amplifier element;
The side view of Figure 12 B presentation graphs 12A displaying principle;
Figure 13 represents hinge is taken away the synoptic diagram that only stays double screen and add the optics amplifier element;
Figure 14 represents that amplifier element is applied in the synoptic diagram of hinge and time screen zone line;
Figure 15 is the partial schematic diagram of display screen of the present invention;
The folding display screen most important of the present invention is that it is made up of at least two less display screens, and can display screen is folding when it does not use, and reduces volume.Though volume capable of reducing using when not using can't influence the comfortableness of watching when using.
An embodiment of folding display screen of the present invention is to use hinge that two display screens are linked together, and two display screens can rotate to 180 degree from 0 degree around hinge.The mutual angle of two display screens is 0 degree when rotating to folding position.When need using, screen then rotates to 180 degree.This moment, two display screens were fixed on horizontality, constituted a complete display screen.When two display screens merge, there is the distance of a safety to be in contact with one another to avoid display screen.When two screens were opened the location, it is big that the area of display screen is increased to twice, makes the user watch comfortable and convenient operation.The demonstration of this screen can level or vertical the use, and in most preferred embodiment of the present invention, two display screens are that level connects mutually, and one at the on the left side in the right of coupling arrangement.
The optics amplifier module can become screen the sensation of single screen.It is the optics amplifier element that the place, plane is formed in the junction that this optics amplifier module is one group, as zone-plate, makes that the screen that the beholder saw is jointless.Owing to add screen slot space thereby disappearance that hinge produced that the optics amplifier module makes that script adds.
The additional assembly of double screen of the present invention comprises that a clear films is covered on double screen and the hinge.This clear films can bending fold, and the material that it uses is Polyvinylchloride, tygon (PVC, PE etc.).When developing the instrument of this double screen originally, initial designs is linked by hinge in the middle of two screens and a little groove is arranged, because this groove is hoarded dust easily and is bothered very much, add behind the transparent membrane except can make display screen become as a whole, and can prevent that dust from falling into groove.Add the method that a pressure-sensitive plate just can use pen type to import.
As shown in Figure 1, the distance relation of naked eyes of looking 3 of its expression and finding object.Object 1 is highly identical with 2 among the figure.But object 1 is also far away apart from eyes 3 than object 2 apart from eyes 3.So angle φ is littler than angle π.Should be as eyes less than object 2.
Fig. 2 represents the situation of the object 1 that bore hole eyeball 3 is seen when far away apart from 25cm.25cm is because consider the distance that general eyes can clearly be seen object.Fig. 3 represents that the size when eyes 3 are seen object 1 is subjected to the influence of optical male lens 4.
Relation between each physical quantity is as follows: enlargement factor:
MP is the enlargement factor of the light convex lens of amplification; A is the image visual angle, a.Be the visual angle of object, Y is the height of object, and Y ' is the height of image; D is the distance between image and the object.
The definition of horizontal enlargement factor: for:
M.P＝L′/L
0×25/D＝(1－L′/F)25/D (b)
L is the distance at object and lens 4 centers; And L ' is the distance between image and convex lens 4 centers.
L ' (D-d) therefore
M.P＝25/D[1＋P(D－1)] (c)
Fig. 4 represents that the convex lens 5 that amplify pass through the synoptic diagram of vision imaging.The focal length of amplifying convex lens 5 is f, and thickness is d, and radius is r, and refractive index is n.
The pass of each physical quantity is:
1/f＝(n－1)/r (d)
If object and planar convex lens 5 being bonded on tightly, the big or small simple formula of this vision imaging is as follows
1/S′＋1/S＝1/f (e)
S and S ' represent image and the object distance to planar convex lens respectively among the figure, and the radius on plane is not have to study carefully greatly, and the radius of lens (R2) promptly is-r.
The refractive index of supposing this plane optical loupes is n=1.5, center thickness d=2cm, the radius R 2=10cm of convex lens.H (anchor point that refers to image) and H ' (anchor point that refers to object) can calculate from following formula:
Lh＝fd(n－1)/nR1，Lh＝fd(n－1)/nR2(g)
H and h ' are respectively h and the h ' distances to planar convex lens.Simply be expressed as follows:
Lh=d/n=4/3 ' and Lh '=0 (because R1=∞)
Utilize aforesaid formula.Then draw the focal length of plane optical loupes, as follows:
1/f＝n－1/r＝(1.5－1)/10＝1/20 (h)
Therefore focal length is 20cm as can be known.When this folding display screen is fastened the plane (r=∞).Then S=Lh=d/n, so S ' value also can be derived:
Then ' S '=10/7
Drawing enlargement factor is m=s '/s (10/7) (30/28) ≈ 1.07
Be described in detail as follows in conjunction with preferred embodiment of the present invention:
As shown in Figure 5, folding display 10 of the present invention comprises that two display screens 20 are linked together by hinge 21.As shown in Figure 5, observe the situation that two inferior screens 20 are opened from top view.Fig. 9 then is the enlarged drawing of Fig. 6, shows the relation and the distance of each layer of time screen 20.Mark 11 is that a zone-plate, 12 is that a pressure-sensitive plate, 13 is films of a collapsible bending.
11-1 is a big element of optics or is called the Fo Ruinai lens, 11-2 is the transparent membrane of a refractive index less than 11-1, optics amplifier element wherein or be called the structure of Fo Ruinai lens can be as Fig. 9-A, shown in the B, can be with the image that shows on the display lcd, become the upright amplification virtual image, so that eye-observation.Can utilize viscose glue between each flat board, surely close viscose glue as refractive index, each dull and stereotyped firm combining is formed one, this kind surely closes the reflection that another characteristics of viscose glue can be eliminated the multilayer interface, is beneficial to light transmit, and makes image definition.
Zone-plate type planar optical elements has been an amplification in Fig. 5-9.Zone-plate among the present invention is a flat board, the zone (Fresnel half-period zone) that has stopped each Fo Ruinai semiperiod at the circle track of transparent and opaque shape, as shown in the previous example, this light that passes through flat-plate lens forms strong imaging luminous point, is similar to the flat simultaneously situation of protruding lens of one side in the example 1.
The situation of actual use during planar optical elements that Figure 10 represents not have to amplify.Figure 11 represents to have the situation of the actual use of planar optical elements of amplification.Figure 10 and Figure 11 represent the situation with two display screen horizontal hinges bindings.Not installing under the amplifier element literal is to be presented at respectively on two screens 20, and in the middle of the relation that has hinge to link because of the center stray line is arranged.If add amplifier element, then literal will be presented on the entire display screen.
Figure 12 A represents to watch from the side each time screen 20 and the Projection Display principle that adds the planar optical elements of amplification.Figure 13 can delete the middle hinge regional effect after representing to add the planar optical elements of amplification, and making becomes complete screen.Figure: it is 66cm that 12A, 12B have identical amplification focal length with 13 expressions.Substitution when D=30cm (c) equation then enlargement ratio is 1.2 times.To be that 100mm is wide be 50mm to the length of each time display screen 20 among Figure 13, intermediate section from distance be 10mm.Enlargement ratio is 1.2 ones, and two times 20 of screens are combined into a complete screen.
As of the present invention the display screen that Fig. 9-A formed, the array mode between its each part is described below; LCDs 20 is LCD 20 (LCD), and 11-1 and 11-2 are for amplifying optical element.12 is a pressure-sensitive plate, and above 40 kinds of parts are used: UV glue (UV Cured Synthetic Polyester) combination, and be fixed on the body 10 (body 10 among Fig. 6).These parts, because have physioptial effect, will be because of the structure of gummed, when making operation, can not produce and shake or displacement and influence the relation of amplifying between optics original paper 11-1 and 11-2 and the display screen 20, and can see and know image.
And of the present invention the display screen 20 that Fig. 9-A forms, its superiors are provided with a flexible film 13, across two display screens 20.In apparatus of the present invention, during as if bending, can gapped generation.Therefore can not be bonding with its part.Must 3 benefits so be arranged with the mode of trip; 1, easy bending can not produce and break; 2,, change easily if any damage; 3, easy to assembly, need not use screw or high-frequency welding.Its assembly drawing, but be the film of a bending as 13 among Figure 15, just can utilize trip 15 to be fixed (this trip is and shell identical materials, injection molding) combination in artificial mode, and can assemble easily before or after assembling in the present invention.
As shown in figure 14, its principle of work of optics amplifier element, in the inferior display screen 20 of adhesion one, optics amplifier element or Fo Ruinai lens especially as ordinary lens tool focal distance f, when inferior display screen 20 shows that video is positioned at the ordinary lens focal length, promptly present the upright amplification virtual image, wherein amplify the dull and stereotyped refractive index of the refractive index of optical element 11-1 greater than 11-2.
The purpose of above-mentioned accompanying drawing and narration all is a situation of describing embodiments of the invention discussing.Modification that data produced or change according to the front should be easily.Selection among the embodiment and discussion only provide this invention best principle and practical application, in the modification of not changing under the flesh and blood of the present invention, all should belong to interest field of the present invention.
Claims (16)
1, a kind of folding display screen is characterized in that, comprising:
At least two display screens,
Inferior display screen is by hinge its side to be interconnected;
Put an optics amplifier element above each time screen, the enlargement ratio of optics amplifier element is between 1.05 and 1.3;
One transparent and flexible film covers time screen and above the hinge.
2, folding display screen according to claim 1 is characterized in that, described amplifier element is a zone-plate.
3, folding display screen according to claim 1 is characterized in that, described two display screens link into an integrated entity in a horizontal manner.
4, folding display screen according to claim 1 is characterized in that, described time display screen links into an integrated entity with vertical mode.
According to the described folding display screen of claim 1, it is characterized in that 5, the enlargement ratio of described optics amplifier element equals 1 ratio that adds hinge and inferior screen width.
6, folding display screen according to claim 1 is characterized in that, described transparent membrane is a polyethylene film.
7, folding display screen according to claim 1 is characterized in that, the transparent membrane on the described display screen is to be made by a kind of Polyvinylchloride.
8, a kind of portable electronic installation that has folding display screen is characterized in that it comprises a folding display screen, and it comprises:
At least two display screens;
The connection of inferior display screen is to be interconnected by the side of hinge with inferior display screen;
Put an optics amplifier element above each time display screen, the enlargement ratio of optics amplifier element is between 1.05 and 1.3; And
A transparent and flexible film covers on time display screen and the hinge.
9, the electronic installation of portable according to claim 8 is characterized in that, described optics amplifier element is the protruding lens of the flat one side of an one side.
10, the electronic installation of portable according to claim 1 is characterized in that, described optics amplifier element is a kind of zone-plate.
11, the electronic installation of portable according to claim 8 is characterized in that, described time display screen connects in a horizontal manner.
12, the electronic installation of portable according to claim 8 is characterized in that, described time display screen connects with vertical mode.
13, the electronic installation of portable according to claim 8 is characterized in that, described transparent membrane uses tygon to make.
14, the electronic installation of described according to Claim 8 portable is characterized in that, described transparent membrane is to be made by a kind of poly chloride.
15, the electronic installation of portable according to claim 8 is characterized in that, pen type input pressure-sensitive plate on the described display screen, and it is joined and is put between described amplification optical element and the film.
16, the electronic installation of portable according to claim 8 is characterized in that, described portable electronic installation is a notebook computer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US102095P | 1995-07-10 | 1995-07-10 | |
| US60/001020 | 1995-07-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1140271A true CN1140271A (en) | 1997-01-15 |
| CN1094213C CN1094213C (en) | 2002-11-13 |
Family
ID=21694001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN961049073A Expired - Lifetime CN1094213C (en) | 1995-07-10 | 1996-04-22 | foldable display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1094213C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100466704C (en) * | 2006-03-08 | 2009-03-04 | 索尼株式会社 | television set |
| CN101039555B (en) * | 2004-09-21 | 2011-03-02 | 诺基亚公司 | Folding electronic apparatus |
| CN102262845A (en) * | 2010-05-31 | 2011-11-30 | 纬创资通股份有限公司 | Electronic device that provides planar support for a display panel |
| US8253648B2 (en) | 2005-03-02 | 2012-08-28 | Nec Corporation | Portable terminal |
| CN104637886A (en) * | 2013-11-12 | 2015-05-20 | 财团法人工业技术研究院 | Folding type packaging structure |
| CN107577274A (en) * | 2011-09-30 | 2018-01-12 | 苹果公司 | Flexible Electronic Devices |
| CN108333827A (en) * | 2018-01-10 | 2018-07-27 | 惠州市华星光电技术有限公司 | A kind of display device for realizing that black surround phenomenon is eliminated in splicing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0820924B2 (en) * | 1986-04-30 | 1996-03-04 | 株式会社東芝 | Handwriting display device |
| US5049862A (en) * | 1989-10-06 | 1991-09-17 | Communication Intelligence Corporation ("Cic") | Keyless flat panel portable computer--computer aided notebook |
| CN2242478Y (en) * | 1995-06-06 | 1996-12-11 | 毕克端 | Portable computer with an enlargeable screen |
-
1996
- 1996-04-22 CN CN961049073A patent/CN1094213C/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101039555B (en) * | 2004-09-21 | 2011-03-02 | 诺基亚公司 | Folding electronic apparatus |
| CN103533108B (en) * | 2005-03-02 | 2016-12-28 | 日本电气株式会社 | Portable terminal |
| US8253648B2 (en) | 2005-03-02 | 2012-08-28 | Nec Corporation | Portable terminal |
| CN103533108A (en) * | 2005-03-02 | 2014-01-22 | 日本电气株式会社 | Portable terminal |
| CN100466704C (en) * | 2006-03-08 | 2009-03-04 | 索尼株式会社 | television set |
| CN102262845A (en) * | 2010-05-31 | 2011-11-30 | 纬创资通股份有限公司 | Electronic device that provides planar support for a display panel |
| CN107577274A (en) * | 2011-09-30 | 2018-01-12 | 苹果公司 | Flexible Electronic Devices |
| US10739908B2 (en) | 2011-09-30 | 2020-08-11 | Apple Inc. | Flexible electronic devices |
| US11675390B2 (en) | 2011-09-30 | 2023-06-13 | Apple Inc. | Flexible electronic devices |
| US11994906B2 (en) | 2011-09-30 | 2024-05-28 | Apple Inc. | Flexible electronic devices |
| CN104637886A (en) * | 2013-11-12 | 2015-05-20 | 财团法人工业技术研究院 | Folding type packaging structure |
| CN104637886B (en) * | 2013-11-12 | 2017-09-22 | 财团法人工业技术研究院 | Folding type packaging structure |
| CN108333827A (en) * | 2018-01-10 | 2018-07-27 | 惠州市华星光电技术有限公司 | A kind of display device for realizing that black surround phenomenon is eliminated in splicing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1094213C (en) | 2002-11-13 |
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Owner name: YUDONG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE Effective date: 20070928 |
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Effective date of registration: 20070928 Address after: Taipei City, Taiwan Province, China Patentee after: Transpacific IP Pte Ltd. Address before: Taiwan, China Patentee before: Industrial Technology Research Institute |
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Granted publication date: 20021113 |
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