CN101598865A - Flexible display device - Google Patents
Flexible display device Download PDFInfo
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- CN101598865A CN101598865A CNA2009101501938A CN200910150193A CN101598865A CN 101598865 A CN101598865 A CN 101598865A CN A2009101501938 A CNA2009101501938 A CN A2009101501938A CN 200910150193 A CN200910150193 A CN 200910150193A CN 101598865 A CN101598865 A CN 101598865A
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- optical texture
- display panel
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Abstract
The invention provides a kind of flexible display device.Described flexible display device comprises display panel, light source module and optical texture film.Display panel has incidence surface.Light source module and display panel be arranged in parallel, wherein comprise the light guide plate with exiting surface; Exiting surface is towards incidence surface, and the light that light source module produces is from exiting surface directive incidence surface.The optical texture film is arranged between display panel and the light source module, has relative first and second; Be formed with a plurality of platform shape optical textures on first with a platform end face.The first printing opacity glue-line and the second printing opacity glue-line are formed at respectively on incidence surface and the exiting surface, and the platform end face glues together mutually with one of them, and second is then glued together mutually with wherein another.This structure has been strengthened the binding between display panel and the light source module on the one hand, and makes the integral body of display device have preferable flexibility, has then removed clearance between the two on the other hand, improves the light energy source utilization factor.
Description
Technical field
The invention relates to a kind of display device; Particularly, the invention relates to the display device of the preferable flexibility of a kind of tool.
Background technology
Compared to traditional cathode ray tube (CRT) display, (Flat Panel Display FPD) possesses advantages such as volume is less, power consumption is less to flat-panel screens.Therefore, now design of electronic devices is being stressed on volume in the compact trend, flat-panel screens replaces traditional CRT gradually and becomes the main product of 21st century monitor market.
Flat-panel screens of a great variety, wherein adopt liquid crystal display (Liquid Crystal Display, LCD) LCD of technology is the present product of main flow comparatively, its market is used very extensive, except graphoscope, during LCD TV is also day by day popularized.In addition, (ElectrophoreticDisplay, EPD) (Electronic Paper ePaper) waits also industrialization gradually of product to the Electronic Paper of technology to adopt electrophoresis showed.
The advantages such as resolution height, color contrast height, power consumption are little, low cost of manufacture, its greatest feature is can the same ground of sensitive paper free bend except having for Electronic Paper.Be different from general flat-panel monitor, Electronic Paper can be come video picture by the light source in the reflection environment as paper the samely, and does not need with extra light source.The more important thing is that Electronic Paper can retain original picture displayed under situation about not powering up, so it can highly intend the situation of true ink video picture on paper.
No matter be LCD or Electronic Paper, the both has the demand of certain anti-deflection.Accomplish under the situation of display device structure deflection, still to keep the relative position relation between the element in the structure, and do not produce situations such as displacement, distortion, just must make the binding between the element enough firm.
Yet existing design exists the firm inadequately shortcoming of binding between display panel and the light source module, influences the flexibility of display product; In addition, also exist the low problem of light energy source utilization factor.Fig. 1 is the cut-open view of existing display device.As shown in Figure 1, the light 2 that penetrates by light source 1 through light guide plate 3 and on microstructure 4, because the effect of interface refraction, reflection, be divided into two light 2A and 2B, wherein light 2A offers the required light source of display panel 5, and light 2B directly goes out to penetrate display module, cause the light energy source waste, thus, make light energy source that light source provided not to be output as very effectively and show light 2C, and reduce this display module to sharpness when.
Summary of the invention
The object of the present invention is to provide a kind of display device, improve above-mentioned the problems of the prior art, make the binding between display panel and the light source module more firm.
The object of the present invention is to provide a kind of display device, improve above-mentioned the problems of the prior art, improve the light energy source utilization factor.
Deflection display device of the present invention comprises display panel, light source module and optical texture film.Display panel has incidence surface, is formed with the first printing opacity glue-line on the incidence surface.Light source module and display panel be arranged in parallel, wherein comprise light guide plate; Light guide plate has exiting surface, and exiting surface is towards the incidence surface of display panel, and the light that light source module produces is from exiting surface directive incidence surface; Be formed with the second printing opacity glue-line on the exiting surface.The optical texture film is arranged between display panel and the light source module, has relative first and second; Be formed with a plurality of shape optical textures on first, each shape optical texture has a platform end face.Wherein the platform end face of platform shape optical texture and the first printing opacity glue-line or the second printing opacity glue-line one of them glue together mutually, second of the optical texture film then glues together mutually with wherein another.This kind structure has been strengthened the binding between display panel and the light source module on the one hand, and makes the integral body of display device have preferable flexibility, has then removed clearance between the two on the other hand, improves the light energy source utilization factor.
Description of drawings
Fig. 1 is the cut-open view of existing display device;
Fig. 2 is the cut-open view of an embodiment of deflection display device of the present invention;
Fig. 3 adopts the synoptic diagram of wedge shape light guide plate for deflection display device of the present invention;
Fig. 4 A is the synoptic diagram of another embodiment of the optical texture film set-up mode in the deflection display device shown in Figure 2;
Synoptic diagram when Fig. 4 B is deflection display device deflection shown in Fig. 4 A;
Synoptic diagram when Fig. 5 is deflection display device deflection shown in Figure 2;
Fig. 6 A is the cut-open view of another embodiment of deflection display device of the present invention;
Synoptic diagram when Fig. 6 B is deflection display device deflection shown in Fig. 6 A;
Fig. 7 is the synoptic diagram of the conduction pattern of light in deflection display device shown in Figure 2;
Fig. 8 A is the synoptic diagram of the platform shape optical texture in the deflection display device shown in Figure 2;
Fig. 8 B is the synoptic diagram of another embodiment of platform shape optical texture;
Fig. 8 C is the synoptic diagram of an embodiment again of platform shape optical texture;
Fig. 8 D is the synoptic diagram of the another embodiment of platform shape optical texture;
Fig. 9 A is the cut-open view of another embodiment of deflection display device of the present invention;
Synoptic diagram when Fig. 9 B is deflection display device deflection shown in Fig. 9 A.
Drawing reference numeral:
10 display panels
11 incidence surfaces
13 liquid crystal
14 thin-film transistor elements
20 light source modules
21 light guide plate
211 exiting surfaces
2111 shape optical textures
21111 platform end faces
212 back sides
22 light supply apparatuses
30 optical texture films
31 first
311 shape optical textures
3111 platform end faces
3112 Taper Pipe outer walls
32 second
40 first printing opacity glue-lines
50 second printing opacity glue-lines
60 Trackpads
100 show light
Embodiment
The invention provides a kind of flexible display device.In preferred embodiment, deflection display device applications of the present invention is in various flat-panel screens, in products such as LCD, Electronic Paper.
Fig. 2 is the cut-open view of an embodiment of deflection display device of the present invention.As shown in Figure 2, this display device comprises display panel 10, light source module 20 and optical texture film 30.In this preferred embodiment, display panel 10 is an electrophoretic display panel.More common electrophoretic display panel utilization is stored in the demonstration that numerous microcapsules ball in the transparent liquid medium is finished black, white two kinds of colors, wherein each microcapsules ball is made up of two hemisphere of black, white dichromatism, control the rotation of these microcapsules balls by the variation of electric field, make it externally on the display surface of electrophoretic display panel, present literal or the image that desire shows with black, white dichromatism under the irradiation of light.Yet in different embodiment, display panel 10 can be the two-d display panel of reflecting type liquid crystal display panel or other types.Display panel 10 comprises incidence surface 11, incidence surface 11 up towards light source module 20 to receive light from light source module 20, reflect to form again show light by incidence surface 11 towards the top outgoing, so incidence surface 11 is its display surface.Be formed with the first printing opacity glue-line 40 on the incidence surface 11, so that optical texture film 30 is bonded on the display panel 10.
As shown in Figure 2, light source module 20 is arranged at display panel 10 tops abreast across optical texture film 30, wherein comprises light guide plate 21 and light supply apparatus 22.Light guide plate 21 comprises exiting surface 211, and exiting surface 211 is down towards display panel 10, and corresponding with incidence surface 11.Be formed with the second printing opacity glue-line 50 on the exiting surface 211, with bonding light guide plate 21 and optical texture film 30.
Synoptic diagram when Fig. 4 B is deflection display device deflection shown in Fig. 4 A.Shown in Fig. 4 B, when the display panel 10 with flexibility, light guide plate 21 deflection deformations,, make display panel 10 and light guide plate 21 produce synchronous deflection by the connection of the first printing opacity glue-line 40.The first printing opacity glue-line 40 provides one to link closely between display panel 10 and light source module 20, makes the integral body of display device have preferable flexibility, and is not easy because of situations such as the displacement of deflection producing component, distortion.
Synoptic diagram when Fig. 5 is deflection display device deflection shown in Figure 2.As shown in Figure 5, when the display panel 10 with flexibility, light guide plate 21 and 30 deflection deformations of optical texture film, by the connection of the first printing opacity glue-line 40 and the second printing opacity glue-line 50, make display panel 10, light guide plate 21 and optical texture film 30 produce synchronous deflection.The first printing opacity glue-line 40 and the second printing opacity glue-line 50 provide one to link closely between display panel 10, light source module 20 and optical texture film 30, make the integral body of display device have preferable flexibility, and be not easy because of situations such as the displacement of deflection producing component, distortion.
In addition, in different embodiment, a Trackpad can be set in addition, on light guide plate to reach the function of touch-control.Show that as Fig. 6 A Trackpad 60 is arranged at light guide plate 21 tops, Trackpad 60 wherein the one side outwardly, the then parallel light guide plate 21 that fits in of another side.Synoptic diagram when Fig. 6 B then is deflection display device deflection shown in Fig. 6 A
Fig. 7 is the synoptic diagram of the conduction pattern of light in deflection display device shown in Figure 2.As shown in Figure 7, the light that light supply apparatus 22 produces is by after the light guide plate 21, from exiting surface 211 ejaculations and by the second printing opacity glue-line 50, optical texture film 30 and the first printing opacity glue-line 40, then from incidence surface 11 incident electrophoretic display panels 10.After electrophoretic display panel 10 change into show light 100 after, from incidence surface 11 outside outgoing.By the setting of optical texture film 30, the light by optical texture film 30 comparatively is evenly distributed on the display panel 10, thereby can reaches the effect of even light.
In preferred embodiment, optical texture film 30 can adopt transparent elastic materials such as PMMA, PC or PET, the first printing opacity glue-line 40 and the second printing opacity glue-line 50 then can adopt the material identical or close with the refractive index of optical texture film 30, with the influence to its optical property of the difference that reduces the material refractive index.Also can remove the air layer gap between display panel 10 and the optical texture film 30 by the first printing opacity glue-line 40 and the second printing opacity glue-line 50 this moment, reducing the chance that light conducts between the medium of different refractivity, and then can show better optical property.In addition, in preferred embodiment, can adopt the material of UV glue (ultraviolet hardening resin) as the first printing opacity glue-line 40 and the second printing opacity glue-line 50; Yet can adopt in other embodiments, the glueing material of other types.
Fig. 8 A is the synoptic diagram of the platform shape optical texture in the deflection display device shown in Figure 2.Shown in Fig. 8 A, platform shape optical texture 311 is coniform, comprises first 3111 and Taper Pipe outer wall 3112.Taper Pipe outer wall 3112 expands outwardly and extends to first 31 of optical texture film 30 from the edge of circular platform end face 3111.The visual demand of shape of platform shape optical texture 311 and changing.Shown in Fig. 8 B, platform shape optical texture 311 can be all polygonal pyramidal for two ends; Shown in Fig. 8 C, platform shape optical texture 311 can be that circular platform end face 3111, the other end is polygonal pyramidal for an end; Shown in Fig. 8 D, platform shape optical texture 311 can also be that polygonal platform end face 3111, the other end are the pyramidal of circle for an end.In addition, also visual other different demands and platform shape optical texture 311 is designed to other difformities.In preferred embodiment, the included angle A between first 31 of Taper Pipe outer wall 3112 and optical texture film 30 is between 30 degree are spent to 90.When platform end face 3111 was circle, its diameter D was between 1 μ m to 60 μ m; When platform end face 3111 was polygon, distance L the longest between two limit was between 1 μ m to 60 μ m.
Fig. 9 A is the cut-open view of another embodiment of deflection display device of the present invention.In this embodiment, display panel 10 is penetration or half-penetration reflecting type liquid crystal display panel.Shown in Fig. 9 A, this display device comprises display panel 10, light source module 20 and optical texture film 30.Display panels 10 has relative incidence surface 11 and display surface 12, and (Thin-FilmTransistor, TFT) element 14 to comprise liquid crystal 13 and thin film transistor (TFT).The light that light supply apparatus 22 produces is by after the light guide plate 21, from exiting surface 211 ejaculations and by the second printing opacity glue-line 50, optical texture film 30 and the first printing opacity glue-line 40, then from incidence surface 11 incident display panels 10, after display panels 10 be converted into show light 100 after, from display surface 12 outside outgoing.Synoptic diagram when Fig. 9 B is deflection display device deflection shown in Fig. 9 A.Shown in Fig. 9 B,, can make display panel 10, light guide plate 21 and optical texture film 30 produce synchronous deflection by the connection of the first printing opacity glue-line 40 and the second printing opacity glue-line 50.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is only for implementing example of the present invention.Must be pointed out that the embodiment that has disclosed does not limit the scope of the invention.On the contrary, being contained in the modification of the spirit of claim and scope and equalization is provided with and all is contained in the scope of the present invention.
Claims (22)
1. a flexible display device is characterized in that, described display device comprises:
One display panel has an incidence surface, is formed with the first printing opacity glue-line on the described incidence surface;
One light source module be arranged in parallel with described display panel; Wherein said light source module comprises a light guide plate, and described light guide plate has the described incidence surface of an exiting surface towards described display panel, and described light source module produces light from the described incidence surface of described exiting surface directive; Be formed with the second printing opacity glue-line on the wherein said exiting surface; And
One optical texture film is arranged between described display panel and the described light source module, and described optical texture film has relative first and second, is formed with a plurality of shape optical textures on described first, and each shape optical texture has a platform end face;
One of them gummed of the described platform end face selectivity of wherein said a plurality of shape optical textures and the described first printing opacity glue-line and the described second printing opacity glue-line, described second of described optical texture film then with in described first printing opacity glue-line and the described second printing opacity glue-line is not glued together with described platform end face gummed person.
2. flexible display device as claimed in claim 1, it is characterized in that, described display panel, described light guide plate and described optical texture film have flexibility respectively, by the connection of described first printing opacity glue-line and the described second printing opacity glue-line, described display panel, described light guide plate and the synchronous deflection behavior of described optical texture film tool.
3. flexible display device as claimed in claim 1, it is characterized in that, described shape optical texture includes a Taper Pipe outer wall and extends out extension from described first face that described deck roof faces described optical texture film, the angle between described Taper Pipe outer wall and described first between 30 degree between 90 degree.
4. flexible display device as claimed in claim 3 is characterized in that, described Taper Pipe outer wall be selected from conical tube outer wall and pyramid pipe outer wall one of them.
5. flexible display device as claimed in claim 1 is characterized in that, the shape of described platform end face be selected from polygon and circular one of them.
6. flexible display device as claimed in claim 1 is characterized in that, the diameter of described platform end face is between 1 μ m to 60 μ m.
7. flexible display device as claimed in claim 1 is characterized in that, the refractive index of the refractive index of the described first printing opacity glue-line and described optical texture film is close.
8. flexible display device as claimed in claim 1 is characterized in that, the refractive index of the refractive index of the described second printing opacity glue-line and described optical texture film is close.
9. flexible display device as claimed in claim 1, it is characterized in that, described display panel is actually an electrophoretic display panel, provide light that module sends the described electrophoretic display panel of described incidence surface incident after passing described optical texture film from described light, and transform through described electrophoretic display panel and to form one and show that light is from described incidence surface outgoing from described electrophoretic display panel.
10. flexible display device as claimed in claim 8 is characterized in that, described light guide plate has a back side of described relatively exiting surface, is formed with a ladder structure arranged side by side on the described back side.
11. flexible display device as claimed in claim 1, it is characterized in that, described display panel is actually a display panels, described second face of described optical texture film is glued at the described first printing opacity glue-line, and the described platform end face of described shape optical texture then is glued at the described second printing opacity glue-line; Described display panels has the display surface with respect to described incidence surface, from described light provide light that module sends after passing described optical texture film from the described display panels of described incidence surface incident, and be converted into one through described display panels and show that light is from described display surface outgoing.
12. flexible display device as claimed in claim 1 is characterized in that, described optical texture film directly is formed at described exiting surface.
13. an electrophoretic display apparatus is characterized in that, described electrophoretic display apparatus comprises:
One electrophoretic display panel has an incidence surface, is formed with the first printing opacity glue-line on the described incidence surface;
One light source module be arranged in parallel with described electrophoretic display panel; Wherein said light source module comprises a light guide plate, and described light guide plate has the described incidence surface of an exiting surface towards described electrophoretic display panel; Be formed with the second printing opacity glue-line on the wherein said exiting surface; And
One optical texture film, be arranged between described electrophoretic display panel and the described light source module, described optical texture film has relative first and second, is formed with a plurality of shape optical textures on described first, and each shape optical texture has a platform end face; Provide light that module sends the described electrophoretic display panel of described incidence surface incident after passing described optical texture film from described light, and transform through described electrophoretic display panel and to form one and show that light is from described incidence surface outgoing from described electrophoretic display panel;
One of them gummed of the described platform end face selectivity of wherein said many shape optical textures and the described first printing opacity glue-line and the described second printing opacity glue-line, described second of described optical texture film then with in described first printing opacity glue-line and the described second printing opacity glue-line is not glued together with described platform end face gummed person.
14. electrophoretic display apparatus as claimed in claim 13, it is characterized in that, described electrophoretic display panel, described light guide plate and described optical texture film have flexibility respectively, by the connection of described first printing opacity glue-line and the described second printing opacity glue-line, described electrophoretic display panel, described light guide plate and the synchronous deflection behavior of described optical texture film tool.
15. electrophoretic display apparatus as claimed in claim 13, it is characterized in that, described shape optical texture includes a Taper Pipe outer wall and extends out extension from described first face that described deck roof faces described optical texture film, the angle between described Taper Pipe outer wall and described first between 30 degree between 90 degree.
16. electrophoretic display apparatus as claimed in claim 15 is characterized in that, described Taper Pipe outer wall be selected from conical tube outer wall and pyramid pipe outer wall one of them.
17. electrophoretic display apparatus as claimed in claim 13 is characterized in that, the shape of described platform end face be selected from polygon and circular one of them.
18. electrophoretic display apparatus as claimed in claim 13 is characterized in that, the diameter of described platform end face is between 1 μ m to 60 μ m.
19. electrophoretic display apparatus as claimed in claim 13 is characterized in that, the refractive index of the refractive index of the described first printing opacity glue-line and described optical texture film is close.
20. electrophoretic display apparatus as claimed in claim 13 is characterized in that, the refractive index of the refractive index of the described second printing opacity glue-line and described optical texture film is close.
21. electrophoretic display apparatus as claimed in claim 13 is characterized in that, described light guide plate has a back side of described relatively exiting surface, is formed with a ladder structure arranged side by side on the described back side.
22. electrophoretic display apparatus as claimed in claim 13 is characterized in that, described optical texture film directly is formed at described exiting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009101501938A CN101598865B (en) | 2009-07-16 | 2009-07-16 | Flexible display device |
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| CN2009101501938A CN101598865B (en) | 2009-07-16 | 2009-07-16 | Flexible display device |
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| CN101598865A true CN101598865A (en) | 2009-12-09 |
| CN101598865B CN101598865B (en) | 2011-01-05 |
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Cited By (12)
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| CN102043188A (en) * | 2010-11-11 | 2011-05-04 | 苏州向隆塑胶有限公司 | Light guide plate, electronic device and method for manufacturing light guide plate |
| CN102593381A (en) * | 2011-12-30 | 2012-07-18 | 友达光电股份有限公司 | Method for manufacturing flexible display device |
| CN104064118A (en) * | 2013-03-22 | 2014-09-24 | 元太科技工业股份有限公司 | Display device and front light module thereof |
| CN106500008A (en) * | 2016-11-25 | 2017-03-15 | 漳州立达信灯具有限公司 | The leaded light component of side entering type panel light, illuminating module and side entering type panel light |
| CN107111183A (en) * | 2014-12-18 | 2017-08-29 | 堺显示器制品株式会社 | Display device |
| CN107304985A (en) * | 2016-04-21 | 2017-10-31 | 苏州向隆塑胶有限公司 | The illuminator of adjustable double-side light extraction |
| CN107505770A (en) * | 2017-08-24 | 2017-12-22 | 蚌埠高华电子股份有限公司 | A kind of LCM backlight light-guiding elements with sawtooth micro-structural |
| CN108594354A (en) * | 2018-04-27 | 2018-09-28 | 京东方科技集团股份有限公司 | Optics module and display device |
| CN109116657A (en) * | 2018-10-25 | 2019-01-01 | 成都捷翼电子科技有限公司 | A kind of color electric paper display module and preparation method thereof |
| CN109148517A (en) * | 2018-08-02 | 2019-01-04 | 云谷（固安）科技有限公司 | display panel and display device |
| WO2019095706A1 (en) * | 2017-11-16 | 2019-05-23 | 华为技术有限公司 | Flexible cover plate, flexible display device, and flexible terminal product |
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| CN100428010C (en) * | 2005-05-13 | 2008-10-22 | 乐金显示有限公司 | Fabricating method of flexible display |
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| CN102043188A (en) * | 2010-11-11 | 2011-05-04 | 苏州向隆塑胶有限公司 | Light guide plate, electronic device and method for manufacturing light guide plate |
| CN102593381A (en) * | 2011-12-30 | 2012-07-18 | 友达光电股份有限公司 | Method for manufacturing flexible display device |
| CN102593381B (en) * | 2011-12-30 | 2014-12-31 | 友达光电股份有限公司 | Method for manufacturing flexible display device |
| CN104064118A (en) * | 2013-03-22 | 2014-09-24 | 元太科技工业股份有限公司 | Display device and front light module thereof |
| US9329327B2 (en) | 2013-03-22 | 2016-05-03 | E Ink Holdings Inc. | Display and front-light module thereof |
| CN107111183A (en) * | 2014-12-18 | 2017-08-29 | 堺显示器制品株式会社 | Display device |
| CN107304985A (en) * | 2016-04-21 | 2017-10-31 | 苏州向隆塑胶有限公司 | The illuminator of adjustable double-side light extraction |
| CN106500008A (en) * | 2016-11-25 | 2017-03-15 | 漳州立达信灯具有限公司 | The leaded light component of side entering type panel light, illuminating module and side entering type panel light |
| CN107505770A (en) * | 2017-08-24 | 2017-12-22 | 蚌埠高华电子股份有限公司 | A kind of LCM backlight light-guiding elements with sawtooth micro-structural |
| WO2019095706A1 (en) * | 2017-11-16 | 2019-05-23 | 华为技术有限公司 | Flexible cover plate, flexible display device, and flexible terminal product |
| US11320864B2 (en) | 2017-11-16 | 2022-05-03 | Huawei Technologies Co., Ltd. | Flexible cover plate, flexible display apparatus, and flexible terminal product |
| US10809567B2 (en) | 2018-02-23 | 2020-10-20 | Au Optronics Corporation | Display device and backlight module thereof |
| CN108594354A (en) * | 2018-04-27 | 2018-09-28 | 京东方科技集团股份有限公司 | Optics module and display device |
| US10788614B2 (en) | 2018-04-27 | 2020-09-29 | Beijing Boe Optoelectronics Technology Co., Ltd. | Optical module and display device |
| CN109148517A (en) * | 2018-08-02 | 2019-01-04 | 云谷（固安）科技有限公司 | display panel and display device |
| CN109116657A (en) * | 2018-10-25 | 2019-01-01 | 成都捷翼电子科技有限公司 | A kind of color electric paper display module and preparation method thereof |
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