CN104407460A - Curved display - Google Patents
Curved display Download PDFInfo
- Publication number
- CN104407460A CN104407460A CN201410648271.8A CN201410648271A CN104407460A CN 104407460 A CN104407460 A CN 104407460A CN 201410648271 A CN201410648271 A CN 201410648271A CN 104407460 A CN104407460 A CN 104407460A
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- CN
- China
- Prior art keywords
- viewing area
- display panels
- backlight
- distribution density
- display
- Prior art date
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Classifications
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- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- 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
-
- 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
- G02F1/133603—Direct backlight with LEDs
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- 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
The invention discloses a curved display, which comprises a curved liquid crystal display panel and a backlight module, wherein the curved liquid crystal display panel comprises a plurality of display areas; the backlight module comprises a plurality of backlight sources for emitting light to the curved liquid crystal display pane; the display areas first and second display areas; the curvatures of the first display areas are greater than those of the second display areas. According to the curved display, the brightness of each display area is regulated by virtue of distribution density of the backlight sources, and the distribution density of the backlight sources corresponding to the first display areas is higher than that of the backlight sources corresponding to the second display areas, so that the problem of dark space of a curved screen can be improved.
Description
Technical field
The present invention relates to a kind of flexible displays, particularly relate to a kind of distribution density adjusting backlight to improve the flexible displays of the dark space problem of curve screens.
Background technology
Size along with display screen becomes large, and the space that traditional flat screen takies also becomes large thereupon, uses curve screens to reduce and takes up room.In addition, curve screens can demonstrate around picture effect, provides the display effect better than flat screen.Therefore the application of curve screens is also more and more wider.
But, use Thin Film Transistor-LCD (Thin film transistor liquid crystaldisplay, TFT-LCD) panel to still have shortcoming to need to improve as curve screens.Refer to Fig. 1, Fig. 1 is the schematic diagram that curve screens 10 shows position, dark space.Adopt TFT-LCD panel identical with manufacture flat screens method as the processing procedure of curve screens 10, but be that whole module is bent afterwards, form curve screens 10.But curve screens 10 there will be dark space 14 in the region of bending (bending).Because the curve screens 10 after bending can cause thin film transistor base plate and colored optical filtering substrates dislocation (misalignment), the region that bending angle is larger, misplaces also more serious.Dislocation zone causes light penetration rate reduce and form dark space 14.Generally speaking, dark space 14 brightness only has 60% ~ 80% of the intermediate point brightness of curve screens 10.
The existence of dark space can cause spectators to see the picture of brightness disproportionation, therefore reduces the display quality of curve screens 10.
Summary of the invention
Therefore, the technical matters that the present invention mainly solves improves curve screens to form dark space because of thin film transistor base plate and colored optical filtering substrates dislocation, causes the technical matters of display frame brightness disproportionation.
In order to solve the problem of prior art, the invention provides a kind of flexible displays, it comprises bending display panels and backlight module, described bending display panels comprises multiple viewing area, described backlight module comprises multiple backlight and is used for emission of light to described bending display panels, and described multiple viewing area comprises the first viewing area and the second viewing area.The curvature of described first viewing area is greater than the curvature of described second viewing area.The distribution density of described multiple backlight is used for adjusting the brightness exposing to each viewing area, makes the distribution density of the described multiple backlight corresponding to described first viewing area be greater than the distribution density of the described multiple backlight corresponding to described second viewing area.
According to embodiments of the invention, described multiple backlight is LED source.
According to embodiments of the invention, described multiple backlight is organic light-emitting diode light source.
According to embodiments of the invention, described multiple backlight is quantum dot.
According to embodiments of the invention, described first viewing area is positioned at the maximum region of described display panels angle of bend.
According to embodiments of the invention, described first viewing area is ellipse.
The present invention separately provides a kind of flexible displays, it comprises bending display panels and backlight module, described bending display panels comprises multiple viewing area, described backlight module comprises multiple backlight and is used for emission of light to described bending display panels, described multiple viewing area comprises middle viewing area, is positioned at the centre of described flexible displays, the first viewing area and the second viewing area.Described first viewing area is between described middle viewing area and described second viewing area.The distribution density of described multiple backlight is used for adjusting the brightness exposing to each viewing area, make the distribution density of the described multiple backlight corresponding to described first viewing area be less than the distribution density of the described multiple backlight corresponding to described middle viewing area, be greater than the distribution density of the described multiple backlight corresponding to described second viewing area.
According to embodiments of the invention, described first viewing area is positioned at the maximum region of described display panels angle of bend.
According to embodiments of the invention, described first viewing area is ellipse.
According to embodiments of the invention, described multiple backlight is LED source, organic light-emitting diode light source or quantum dot.
The invention provides a kind of flexible displays, it comprises bending display panels and backlight module.By adjusting the distribution density of multiple backlights of described backlight module to adjust the brightness exposing to each viewing area of described bending display panels, to solve the technical matters that dark space appears in conventional curved-surface display, reach the beneficial effect of the image quality improving flexible displays.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of curve screens display position, dark space.
Fig. 2 is the schematic diagram of flexible displays of the present invention.
Fig. 3 is the sectional view of flexible displays of the present invention.
Fig. 4 is the backlight module of first embodiment of the invention and the schematic diagram of display panels.
Fig. 5 is the backlight module of second embodiment of the invention and the schematic diagram of display panels.
Embodiment
The explanation of following embodiment is graphic with reference to what add, can in order to the specific embodiment of enforcement in order to illustrate the present invention.The direction term that the present invention mentions, such as " on ", D score, "front", "rear", "left", "right", " top ", " end ", " level ", " vertically " etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is in order to illustrate and to understand the present invention, and is not used to limit the present invention.
Refer to Fig. 2 and Fig. 3, Fig. 2 is the schematic diagram of flexible displays 100 of the present invention, and Fig. 3 is the sectional view of flexible displays 100 of the present invention.Flexible displays 100 of the present invention comprises display panels 106 and backlight module 108.Display panels 106 comprises thin film transistor base plate 120, colored optical filtering substrates 122 and liquid crystal layer 126.Liquid crystal layer 126 is between thin film transistor base plate 120 and colored optical filtering substrates 122.Colored optical filtering substrates 122 comprises black-matrix layer 125 and colored film layer 126.Display panels 106 is by colored film layer 126, isolates the light of red green blue tricolor, with display color image.Black-matrix layer 125 is used for avoiding light leak.Thin film transistor base plate 120 comprises several data lines 102, several sweep traces 104 and several pixel cell 110.Each pixel cell 110 is electrically connected at a data line 102 and scan line 104.Backlight module 108 comprises substrate 111 and multiple backlight 112, and multiple backlight 112 is placed on substrate 111.Multiple backlight 112 can be LED source, organic light-emitting diode light source or quantum dot.Display panels 106 and backlight module 108 are all in bending.
The type of drive of display panels 106 is as described below: the sweep signal that gate drivers 22 exports is inputted by sweep trace 104, make the pixel cell 110 connecting sweep trace 104 receive the data-signal of source electrode driver 24 output, make pixel cell 110 be charged to required voltage.Liquid crystal above pixel cell 110 is exactly reverse (twist) according to this data-signal, and then demonstrates different GTGs.Gate drivers 22 can export sweep signal line by line by several sweep traces 104, then carries out discharge and recharge by the pixel cell 110 of source electrode driver 22 to every a line.So sequentially go down, just can complete the complete display of display panels 106.
Refer to Fig. 4, Fig. 4 is the backlight module 108 of first embodiment of the invention and the schematic diagram of display panels 106.Display panels 106 comprises the first viewing area 151 and the second viewing area 152.In the present embodiment, the curvature of the first viewing area 151 is greater than the curvature of the second viewing area 152.For ease of illustrating, the first viewing area 151 is positioned at the maximum region of display panels 110 angle of bend, and the first viewing area 151 is haply in ellipse.Because the curvature of the first viewing area 151 is greater than the curvature of the second viewing area 152, so under same backlight 112 distribution density, the display brightness of the first viewing area 151 can lower than the second viewing area 152.Therefore the distribution density of multiple backlight 112 adjusts along with the brightness of the viewing area of correspondence by the present embodiment, makes the distribution density of the multiple backlights 112 corresponding to the first viewing area 151 be greater than the distribution density of the multiple backlights 112 corresponding to the second viewing area 152.
Because the distribution density corresponding to multiple backlights 112 of the first viewing area 151 is greater than the distribution density of the multiple backlights 112 corresponding to the second viewing area 152, so the first viewing area 151 can obtain higher brightness.When showing, the first viewing area 151 can adjust consistent with the display brightness of the second viewing area 152, causes more greatly the phenomenon of dark space to improve the first viewing area 151 because of curvature.
Refer to Fig. 5, Fig. 5 is the backlight module 108 of second embodiment of the invention and the schematic diagram of display panels 106.Display panels 106 comprises viewing area, middle viewing area 170, first 171 and the second viewing area 172.In the present embodiment, middle viewing area 170 is positioned at the centre of display panels 106, and the first viewing area 171 is between middle viewing area 170 and the second viewing area 172, and specifically, the second viewing area 172 is positioned at display panels 106 both-side ends.First viewing area 171 is haply in ellipse.Because the angle of bend of display panels 106 is increased to both sides by center, therefore under same backlight 112 distribution density, the display brightness of display panels 106 is reduced from center toward both sides.The distribution density of multiple backlight 112 adjusts along with the brightness of the viewing area of correspondence by the present embodiment, make the distribution density of the multiple backlights 112 corresponding to the first viewing area 171 be less than the distribution density of the multiple backlights 112 corresponding to middle viewing area 170, be greater than the distribution density of the multiple backlights 112 corresponding to the second viewing area 172.That is, the distribution density of multiple backlight 112 is also along with display panels 106 is reduced from center toward both sides.
Because the distribution density of multiple backlight 112 is also along with display panels 106 is reduced from center toward both sides, the second viewing area 172 can obtain higher brightness, takes second place in the first viewing area 171, and middle viewing area 170 obtains lower brightness.When showing, viewing area 171, middle viewing area 170, first adjusts consistent with the display brightness of the second viewing area 172, causes display panels 106 to produce the phenomenon of dark space to improve the first viewing area 151 because of curvature difference.
Compared to prior art, the curvature of the distribution density of the multiple backlights on the backlight module of flexible displays along with display panels adjusts by the present invention, flexible displays can be improved and form dark space because of thin film transistor base plate and colored optical filtering substrates dislocation, cause the technical matters of display frame brightness disproportionation.
In sum; although the present invention discloses as above with preferred embodiment; but this preferred embodiment is also not used to limit the present invention; the those of ordinary skill in this field; without departing from the spirit and scope of the present invention; all can do various change and retouching, the scope that therefore protection scope of the present invention defines with claim is as the criterion.
Claims (10)
1. a flexible displays, it comprises bending display panels and backlight module, described bending display panels comprises multiple viewing area, and described backlight module comprises multiple backlight and is used for emission of light to described bending display panels, it is characterized in that: described multiple viewing area comprises:
First viewing area; And
Second viewing area, the curvature of described first viewing area is greater than the curvature of described second viewing area;
The distribution density of described multiple backlight is used for adjusting the brightness exposing to each viewing area, makes the distribution density of the described multiple backlight corresponding to described first viewing area be greater than the distribution density of the described multiple backlight corresponding to described second viewing area.
2. flexible displays as claimed in claim 1, is characterized in that: described multiple backlight is LED source.
3. display panels as claimed in claim 1, is characterized in that: described multiple backlight is organic light-emitting diode light source.
4. display panels as claimed in claim 1, is characterized in that: described multiple backlight is quantum dot.
5. display panels as claimed in claim 1, is characterized in that: described first viewing area is positioned at the maximum region of described display panels angle of bend.
6. display panels as claimed in claim 1, is characterized in that: described first viewing area is ellipse.
7. a flexible displays, it comprises bending display panels and backlight module, and described bending display panels comprises multiple viewing area, and described backlight module comprises multiple backlight and is used for emission of light to described bending display panels, it is characterized in that:
Described multiple viewing area comprises:
Middle viewing area, is positioned at the centre of described flexible displays;
First viewing area; And
Second viewing area, described first viewing area is between described middle viewing area and described second viewing area;
The distribution density of described multiple backlight is used for adjusting the brightness exposing to each viewing area, make the distribution density of the described multiple backlight corresponding to described first viewing area be less than the distribution density of the described multiple backlight corresponding to described middle viewing area, be greater than the distribution density of the described multiple backlight corresponding to described second viewing area.
8. display panels as claimed in claim 7, is characterized in that: described first viewing area is positioned at the maximum region of described display panels angle of bend.
9. display panels as claimed in claim 7, is characterized in that: described first viewing area is ellipse.
10. flexible displays as claimed in claim 7, is characterized in that: described multiple backlight is LED source, organic light-emitting diode light source or quantum dot.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648271.8A CN104407460B (en) | 2014-11-14 | 2014-11-14 | Flexible displays |
| PCT/CN2014/091438 WO2016074260A1 (en) | 2014-11-14 | 2014-11-18 | Curved display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648271.8A CN104407460B (en) | 2014-11-14 | 2014-11-14 | Flexible displays |
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| Publication Number | Publication Date |
|---|---|
| CN104407460A true CN104407460A (en) | 2015-03-11 |
| CN104407460B CN104407460B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410648271.8A Active CN104407460B (en) | 2014-11-14 | 2014-11-14 | Flexible displays |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104407460B (en) |
| WO (1) | WO2016074260A1 (en) |
Cited By (15)
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| CN104932144A (en) * | 2015-06-30 | 2015-09-23 | 冠捷显示科技（厦门）有限公司 | Curved surface liquid crystal display device |
| CN104965343A (en) * | 2015-07-10 | 2015-10-07 | 东莞理工学院 | Liquid crystal display and luminance uniform display method of liquid crystal display |
| CN105158948A (en) * | 2015-08-27 | 2015-12-16 | 京东方科技集团股份有限公司 | Backboard, backlight module and hook face display device |
| CN105182626A (en) * | 2015-10-16 | 2015-12-23 | 京东方科技集团股份有限公司 | Liquid crystal display and manufacturing method thereof |
| CN105304065A (en) * | 2015-11-21 | 2016-02-03 | 深圳市华星光电技术有限公司 | Manufacture method and manufacture system of hook-face display panel |
| CN106501994A (en) * | 2015-09-08 | 2017-03-15 | 青岛海信电器股份有限公司 | A kind of quantum dot light emitting device, backlight module and display device |
| CN106646978A (en) * | 2016-12-02 | 2017-05-10 | 友达光电股份有限公司 | Display panel |
| CN108172161A (en) * | 2017-12-28 | 2018-06-15 | 努比亚技术有限公司 | Display methods, mobile terminal and computer readable storage medium based on flexible screen |
| US10018870B2 (en) | 2015-10-21 | 2018-07-10 | Boe Technology Group Co., Ltd. | Curved display panel, method for fabricating the same, curved display device |
| CN109445159A (en) * | 2018-12-27 | 2019-03-08 | 厦门天马微电子有限公司 | Flexible Displays mould group and its driving method, flexible display apparatus |
| CN111221177A (en) * | 2019-11-29 | 2020-06-02 | 维沃移动通信有限公司 | Backlight module and electronic equipment |
| CN113514980A (en) * | 2020-03-25 | 2021-10-19 | 株式会社日本显示器 | Illumination device and display device |
| CN113759601A (en) * | 2021-08-26 | 2021-12-07 | 合肥京东方瑞晟科技有限公司 | Backlight module and display device |
| CN114153093A (en) * | 2021-12-09 | 2022-03-08 | 武汉华星光电技术有限公司 | Curved surface backlight module and curved surface display device |
| CN115798421A (en) * | 2022-11-30 | 2023-03-14 | 惠科股份有限公司 | Driving method and driving circuit of display panel and display device |
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| CN105158948A (en) * | 2015-08-27 | 2015-12-16 | 京东方科技集团股份有限公司 | Backboard, backlight module and hook face display device |
| CN106501994A (en) * | 2015-09-08 | 2017-03-15 | 青岛海信电器股份有限公司 | A kind of quantum dot light emitting device, backlight module and display device |
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| US10018870B2 (en) | 2015-10-21 | 2018-07-10 | Boe Technology Group Co., Ltd. | Curved display panel, method for fabricating the same, curved display device |
| CN105304065A (en) * | 2015-11-21 | 2016-02-03 | 深圳市华星光电技术有限公司 | Manufacture method and manufacture system of hook-face display panel |
| CN106646978A (en) * | 2016-12-02 | 2017-05-10 | 友达光电股份有限公司 | Display panel |
| CN108172161A (en) * | 2017-12-28 | 2018-06-15 | 努比亚技术有限公司 | Display methods, mobile terminal and computer readable storage medium based on flexible screen |
| CN109445159A (en) * | 2018-12-27 | 2019-03-08 | 厦门天马微电子有限公司 | Flexible Displays mould group and its driving method, flexible display apparatus |
| CN109445159B (en) * | 2018-12-27 | 2021-07-09 | 厦门天马微电子有限公司 | Flexible display module, driving method thereof and flexible display device |
| CN111221177A (en) * | 2019-11-29 | 2020-06-02 | 维沃移动通信有限公司 | Backlight module and electronic equipment |
| CN113514980A (en) * | 2020-03-25 | 2021-10-19 | 株式会社日本显示器 | Illumination device and display device |
| CN113514980B (en) * | 2020-03-25 | 2024-02-27 | 株式会社日本显示器 | Lighting device and display device |
| US11949048B2 (en) | 2020-03-25 | 2024-04-02 | Japan Display Inc. | Illumination device and display device |
| CN113759601A (en) * | 2021-08-26 | 2021-12-07 | 合肥京东方瑞晟科技有限公司 | Backlight module and display device |
| CN114153093A (en) * | 2021-12-09 | 2022-03-08 | 武汉华星光电技术有限公司 | Curved surface backlight module and curved surface display device |
| US11994770B2 (en) | 2021-12-09 | 2024-05-28 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Curved surface backlight module and curved surface display device |
| CN115798421A (en) * | 2022-11-30 | 2023-03-14 | 惠科股份有限公司 | Driving method and driving circuit of display panel and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016074260A1 (en) | 2016-05-19 |
| CN104407460B (en) | 2017-08-25 |
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