CN205281087U - Optical modulation ware, backlight module and display device - Google Patents
Optical modulation ware, backlight module and display device Download PDFInfo
- Publication number
- CN205281087U CN205281087U CN201620018477.7U CN201620018477U CN205281087U CN 205281087 U CN205281087 U CN 205281087U CN 201620018477 U CN201620018477 U CN 201620018477U CN 205281087 U CN205281087 U CN 205281087U
- Authority
- CN
- China
- Prior art keywords
- modulation unit
- light modulation
- light
- optical modulator
- stage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 41
- 239000000758 substrate Substances 0.000 claims description 46
- 239000004973 liquid crystal related substance Substances 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 10
- 230000001154 acute effect Effects 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000001795 light effect Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
Abstract
An embodiment of the utility model provides an optical modulation ware, backlight module and display device relates to and shows technical field, exportable collimated light behind the light process optical modulation ware that the backlight sent to improve the light efficiency utilization ratio. The optical modulation ware includes: first order unit, second level unit and the third level unit of adjusting luminance of adjusting luminance of adjusting luminance, the first order is adjusted luminance the unit and is used for assembling the light that the light source sent, adjust luminance the unit and be used for passing through in the second level the light that the unit was adjusted luminance to the first order converts the parallel light into, the third level is adjusted luminance the unit and is used for passing through adjust luminance the parallel light of unit and convert the light of vertical direction into in the second level. A collimation modulation for being directed at the light of backlight output.
Description
Technical field
The utility model relates to technique of display field, particularly relates to a kind of optical modulator, backlight source module and display unit.
Background technology
In recent years, growing along with science and technology, all kinds of display unit grows up gradually. On this basis, user is also more and more higher to the performance requriements of display unit. Based on this, for the backlight in display unit, then wish to export collimation light straight up.
But, for backlight source module, owing to light source sends the light of all directions, even if through corresponding modulation, also being difficult to make backlight source module to send collimation light at present.
Practical novel content
Embodiment of the present utility model provides a kind of optical modulator, backlight source module and display unit, at light exportable collimation light after optical modulator that backlight sends, and puies forward specular removal utilization ratio.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
First aspect, it is provided that a kind of optical modulator, comprising: first step light modulation unit, second stage light modulation unit and third stage light modulation unit; Described first step light modulation unit converges for the light sent by light source; Described second stage light modulation unit is for being converted to parallel light by by the light of described first step light modulation unit; The light of described third stage light modulation unit for vertical direction will be converted to by the parallel light of described second stage light modulation unit.
Preferably, described first step light modulation unit is liquid crystal lens.
Preferably, described second stage light modulation unit comprises grating face and groove face, described grating face and groove mask have acute angle, by the spacing arranged between the acute angle of groove face described in each with described grating face and adjacent described groove face, the parallel light of predetermined angular and predetermined wavelength will be converted to by the light of described first step light modulation unit.
Preferably, the lower surface of the close described second stage light modulation unit of described third stage light modulation unit is scarp; Having transition element between described second stage light modulation unit and described third stage light modulation unit, the specific refractory power of described transition element is less than the specific refractory power of described third stage light modulation unit.
Second aspect, it is provided that a kind of backlight source module, comprises the optical modulator described in backlight and above-mentioned first aspect; Wherein, the first step light modulation unit that described backlight is arranged on described optical modulator is away from light modulation unit side, the second stage.
Described backlight is Matrix LED.
The third aspect, it is provided that a kind of display unit, comprises backlight and display panel, wherein, described display panel comprises the underlay substrate near described backlight; Also comprise the optical modulator described in above-mentioned first aspect; Wherein, described optical modulator is arranged on upper surface or the lower surface of described underlay substrate.
Preferably, described optical modulator is arranged on the lower surface of described underlay substrate, and the third stage light modulation units shared of described underlay substrate and described optical modulator.
Based on above-mentioned, it is preferable that, described display panel comprises array substrate, to box substrate and be positioned at liquid crystal layer therebetween; Described array substrate comprises described underlay substrate, and the pixel electrode that the thin film transistor being arranged on described underlay substrate and the drain electrode with described thin film transistor electrically connect.
Further, described box substrate is comprised filter pattern.
Embodiment of the present utility model provides a kind of optical modulator, backlight source module and display unit, after the light sent when backlight plays the first step light modulation unit of convergence effect in optical modulator, the light emission rate of the light of specific direction can be increased, thus strengthen light effect utilization ratio, on this basis, when by after second stage light modulation unit, just major part light can be made to be converted to parallel light, other small part light comparatively disperse to ignore due to energy, further, when by after third stage light modulation unit, just parallel light can be made to be converted to the light of vertical direction, thus realize the collimation modulation of the light sent by backlight, and put forward specular removal utilization ratio.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, it is 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 embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The schematic diagram one of a kind of optical modulator that Fig. 1 provides for the utility model embodiment;
The schematic diagram of a kind of first step light modulation unit that Fig. 2 provides for the utility model embodiment;
The schematic diagram of a kind of second stage light modulation unit that Fig. 3 provides for the utility model embodiment;
The schematic diagram two of a kind of optical modulator that Fig. 4 provides for the utility model embodiment;
The schematic diagram of a kind of backlight source module that Fig. 5 provides for the utility model embodiment;
The schematic diagram one of a kind of display unit that Fig. 6 provides for the utility model embodiment;
The schematic diagram two of a kind of display unit that Fig. 7 provides for the utility model embodiment.
Reference numeral:
01-optical modulator; 02-backlight; 03-display panel; 10-first step light modulation unit; 20-second stage light modulation unit; 30-third stage light modulation unit; 40-transition element; 31-array substrate; 32-is to box substrate; 101-first substrate; 102-second substrate; 103-liquid crystal layer; 201-grating face; 202-groove face; 311-underlay substrate; 1011-first transparency carrier; 1012-first electrode; 1021-the 2nd transparency carrier; 1022-the 2nd electrode.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described embodiment is only the utility model part embodiment, instead of whole embodiments. Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Unless otherwise defined, the technical term or the scientific terminology that use in the utility model should be ordinary meaning understood by one of ordinary skill in the art. " first ", " the 2nd " and the similar word that use in the utility model patent application specification sheets and claim book do not represent any order, quantity or importance, and are only used to distinguish different integral parts.
The utility model embodiment provides a kind of optical modulator 01, as shown in Figure 1, comprises first step light modulation unit 10, second stage light modulation unit 20 and third stage light modulation unit 30.
Wherein, first step light modulation unit 10 converges for the light sent by light source; Second stage light modulation unit 20 is for being converted to parallel light by by the light of first step light modulation unit 10; Third stage light modulation unit 30 is for the light by being converted to vertical direction by the parallel light of second stage light modulation unit.
It should be noted that, the first, for first step light modulation unit 10, the arbitrary structures can made based on the refraction principle of light. Wherein, when the light that light source sends is by first step light modulation unit 10, for the light that refraction occurs, based on refraction theorem, outgoing ray relative incident light can be made close to vertical direction, thus realize the convergence function to light.
On this basis, second stage light modulation unit 20, the arbitrary structures can made based on the diffraction principle of light. Incident light can be selected by it, and to ensure that the light of major part outgoing is as parallel light, other small part light comparatively disperse due to energy, therefore can ignore.
Wherein, in order to meet second stage light modulation unit 20 to after light selection, the luminous energy of outgoing can be made bigger, therefore can making the light after by first step light modulation unit 10, wherein a part converges to specific direction, namely, by control first step light modulation unit 10, the light of outgoing on certain direction is increased.
Further, for third stage light modulation unit 30, the arbitrary structures can made based on the refraction principle of light. Wherein, when the parallel light that second stage light modulation unit 20 sends is by third stage light modulation unit 30, based on refraction theorem, parallel light can be made with vertical direction outgoing.
2nd, accompanying drawing 1 only schematically shows each light modulation unit in optical modulator, and the index path through each light modulation unit.
The utility model embodiment provides a kind of optical modulator 01, the light sent when backlight is after the first step light modulation unit 10 playing convergence effect, the light emission rate of the light of specific direction can be increased, thus strengthen light effect utilization ratio, on this basis, when by after second stage light modulation unit 20, just major part light can be made to be converted to parallel light, other small part light comparatively disperse to ignore due to energy, further, when by after third stage light modulation unit 30, just parallel light can be made to be converted to the light of vertical direction, thus realize the collimation modulation to the light that backlight exports, and put forward specular removal utilization ratio.
Preferably, first step light modulation unit 10 is liquid crystal lens.
Concrete, as shown in Figure 2, liquid crystal lens can comprise first substrate 101, second substrate 102 and be positioned at liquid crystal layer 103 therebetween. The first electrode 1012 that first substrate 101 can comprise the first transparency carrier 1011 and be arranged on the first transparency carrier 1011, the 2nd electrode 1022 that second substrate 102 can comprise the 2nd transparency carrier 1021 and be arranged on the 2nd transparency carrier 1021.
Wherein, in the first electrode 1012 and the 2nd electrode 1022, such as one of them can be set to strip shaped electric poles, and another is set to planar electrode. Can certainly be both strip shaped electric poles. In order to Simplified flowsheet, the utility model embodiment is a strip shaped electric poles preferably, and another is planar electrode. Wherein, taking the first electrode 1012 as strip shaped electric poles in Fig. 2, the 2nd electrode 1022 is illustrated for planar electrode.
Based on this, utilize the electric field formed between the first electrode 1012 and the 2nd electrode 1022, the liquid crystal layer 103 being positioned at therebetween can be driven. Wherein, due to separate between strip shaped electric poles, between each strip shaped electric poles and corresponding planar electrode, lens just can be formed, by adjusting the voltage of corresponding strip shaped electric poles, just can make liquid crystal that light is carried out the refraction of different angles, thus the control in the outgoing direction to light can be realized.
In the utility model embodiment, by first step light modulation unit 10 is set to liquid crystal lens, by the pressure reduction controlled between the first electrode 1012 and the 2nd electrode 1022, control the outgoing direction of light flexibly, the incident light of required angle can be provided for second stage light modulation unit 20, and maximized can put forward specular removal utilization ratio.
Preferably, as shown in Figure 3, second stage light modulation unit 20 comprises grating face 201 and groove face 202, grating face 201 and groove face 202 have acute angle ��, by the spacing d arranged between the acute angle �� in each groove face 202 and grating face 201 and adjacent slot face 202, the parallel light of predetermined angular and predetermined wavelength will be converted to by the light of first step light modulation unit 10.
Concrete, second stage light modulation unit 20 extracts incident light based on the diffraction of light, shown in figure 3, when the incident light inciding second stage light modulation unit 20 is vertical with groove face 202 and when meeting 2d sin ��=��, the light beam of this wavelength can be glittered reinforcement outgoing with specific angle (angle vertical with groove face). Wherein, by designing different d values and �� value, then can obtain different shooting angle and different go out optical band.
Owing to, in the utility model embodiment, being parallel light by the light of second stage light modulation unit 20, therefore, each groove face 202 need to be made identical with the angle theta in grating face 201. For the spacing d between adjacent slot face 202, adjustable incomplete same, so that the light that light modulation unit 20 in the second stage exports is white light.
Based on foregoing description, due to when incident light is vertical with groove face 202, light beam can be made to glitter reinforcement outgoing, therefore, first step light modulation unit 10 can be controlled, to increase the impingement rate of the light in vertical channel face 202, namely, it is possible to adjust the first electrode 1012 and the voltage of the 2nd electrode 1022, increase the impingement rate of the light in vertical channel face 202, thus after second stage light modulation unit 20, reinforcement outgoing of just can glittering in the direction making light along vertical channel face 202.
In the utility model embodiment, by making second stage light modulation unit 20 comprise grating face 201 and groove face 202, the parallel light of predetermined angular is chosen, and with reinforcement mode outgoing of glittering, so that the luminous energy exported is comparatively concentrated, ensure that the brightness exporting light.
Preferably, as shown in Figure 4, the lower surface of the close second stage light modulation unit 20 of third stage light modulation unit 30 is scarp; Having transition element 40 between second stage light modulation unit 20 and third stage light modulation unit 30, the specific refractory power of transition element 40 is less than the specific refractory power of third stage light modulation unit 30.
Wherein, the specific refractory power of transition element 40 is designated as n1, the specific refractory power of third stage light modulation unit 30 is designated as n2, the input angle of the light injecting third stage light modulation unit 30 by transition element 40 is designated as i1, exit angle is designated as i2, according to refraction theorem i1 �� sinn1=i2 �� sinn2, due to n1 < n2, therefore i2 < i1. Based on this, by the specific refractory power of the slope on adjustment scarp and transition element 40 and third stage light modulation unit 30, emergent light just can be made with vertical direction outgoing.
In the utility model embodiment, by the lower surface of the close second stage light modulation unit 20 of third stage light modulation unit 30 is set to scarp, and select its material to be high-index material, and transition element 40 is set between second stage light modulation unit 20 and third stage light modulation unit 30, simple structure can be adopted to realize the vertical outgoing of light.
The utility model embodiment still provides a kind of backlight source module, as described in Figure 5, comprises backlight 02 and above-mentioned optical modulator 01; Wherein, backlight 02 is arranged on the side of first step light modulation unit 10 away from second stage light modulation unit 20 of optical modulator 01.
Herein, backlight 02 is not limited.
In the utility model embodiment, the light that backlight 02 sends, after optical modulator 01, just can realize the collimation to light and modulate, and improves light effect utilization ratio, so that this backlight source module meets has better luminescent properties.
Due to LED (LightEmittingDiode, photodiode), to have volume little, and current consumption is low, it may also be useful to the advantages such as life-span length, it is thus preferred that backlight 02 is Matrix LED.
The utility model embodiment still provides a kind of display unit, as shown in Figure 6, comprises backlight 02 and display panel 03, and wherein, display panel 03 comprises the underlay substrate 311 near backlight 02; Further, display unit also comprises above-mentioned optical modulator 01; Wherein, optical modulator 01 is arranged on upper surface or the lower surface of described underlay substrate 20.
It should be noted that, for display panel 03, as long as passive illuminated display panel. Wherein, Fig. 6 illustrates for display panels.
In the utility model embodiment, the light that backlight 02 sends, after optical modulator 01, just can realize the collimation to light and modulate, and improves light effect utilization ratio, so that this display unit has better display effect.
Preferably, backlight 02 is Matrix LED.
Preferably, as shown in Figure 7, optical modulator 01 is arranged on the lower surface of underlay substrate 311, and underlay substrate 311 is shared with the third stage light modulation unit 30 of optical modulator 01.
, it is possible to material and the shape of underlay substrate 311 are set, namely the function of third stage light modulation unit 30 can be made it have.
By underlay substrate 311 and third stage light modulation unit 30 being shared in the utility model embodiment, the thickness of display unit can be reduced.
Based on above-mentioned, shown in figure 6 and Fig. 7, display panel 03 can comprise array substrate 31, to box substrate 32 and be positioned at liquid crystal layer 103 therebetween. Wherein, array substrate 31 comprises underlay substrate 311, and the thin film transistor being arranged on underlay substrate 311 and pixel electrode. Thin film transistor comprises grid, gate insulation layer, semiconductor active layer, source electrode and drain electrode, and drain electrode and pixel electrode electrically connect.
Further can also comprise public electrode.
Wherein, for copline switch type (In-PlaneSwitch is called for short IPS) array substrate, pixel electrode and public electrode are arranged with layer interval, and are strip shaped electric poles; For senior super Wei Chang conversion type (Advanced-superDimensionalSwitching, it is called for short ADS) array substrate, pixel electrode and public electrode different layers are arranged, and are wherein strip shaped electric poles at upper electrode, under electrode be plate electrode or strip shaped electric poles.
On this basis, box substrate 32 can be comprised filter pattern. Wherein, filter pattern can be red filter pattern, green filter pattern and Lan Guang filter pattern, or other three primary colours filter pattern.
In the utility model embodiment, relatively filter pattern is arranged on array substrate 31, filter pattern is arranged on to, on box substrate 32, the preparation technology of array substrate 31 being simplified.
Based on above-mentioned, the display unit of the utility model embodiment can be: any product or parts with display function such as the mobile phone of passive type luminescence, panel computer, indicating meter, notebook computer, digital phase frame, navigating instrument.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any it is familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model. Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (10)
1. an optical modulator, it is characterised in that, comprising: first step light modulation unit, second stage light modulation unit and third stage light modulation unit;
Described first step light modulation unit converges for the light sent by light source;
Described second stage light modulation unit is for being converted to parallel light by by the light of described first step light modulation unit;
The light of described third stage light modulation unit for vertical direction will be converted to by the parallel light of described second stage light modulation unit.
2. optical modulator according to claim 1, it is characterised in that, described first step light modulation unit is liquid crystal lens.
3. optical modulator according to claim 1, it is characterized in that, described second stage light modulation unit comprises grating face and groove face, described grating face and groove mask have acute angle, by the spacing arranged between the acute angle of groove face described in each with described grating face and adjacent described groove face, the parallel light of predetermined angular and predetermined wavelength will be converted to by the light of described first step light modulation unit.
4. optical modulator according to claim 1, it is characterised in that, the lower surface of the close described second stage light modulation unit of described third stage light modulation unit is scarp;
Having transition element between described second stage light modulation unit and described third stage light modulation unit, the specific refractory power of described transition element is less than the specific refractory power of described third stage light modulation unit.
5. a backlight source module, it is characterised in that, comprise the optical modulator described in backlight and the arbitrary item of claim 1-4;
Wherein, the first step light modulation unit that described backlight is arranged on described optical modulator is away from light modulation unit side, the second stage.
6. backlight source module according to claim 5, it is characterised in that, described backlight is Matrix LED.
7. a display unit, comprises backlight and display panel, and wherein, described display panel comprises the underlay substrate near described backlight; It is characterized in that, also comprise the optical modulator described in the arbitrary item of claim 1-4;
Wherein, described optical modulator is arranged on upper surface or the lower surface of described underlay substrate.
8. display unit according to claim 7, it is characterised in that, described optical modulator is arranged on the lower surface of described underlay substrate, and the third stage light modulation units shared of described underlay substrate and described optical modulator.
9. display unit according to claim 7 or 8, it is characterised in that, described display panel comprises array substrate, to box substrate and be positioned at liquid crystal layer therebetween;
Described array substrate comprises described underlay substrate, and the pixel electrode that the thin film transistor being arranged on described underlay substrate and the drain electrode with described thin film transistor electrically connect.
10. display unit according to claim 9, it is characterised in that, described box substrate is comprised filter pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620018477.7U CN205281087U (en) | 2016-01-08 | 2016-01-08 | Optical modulation ware, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620018477.7U CN205281087U (en) | 2016-01-08 | 2016-01-08 | Optical modulation ware, backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205281087U true CN205281087U (en) | 2016-06-01 |
Family
ID=56065646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620018477.7U Expired - Fee Related CN205281087U (en) | 2016-01-08 | 2016-01-08 | Optical modulation ware, backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205281087U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017118214A1 (en) * | 2016-01-08 | 2017-07-13 | 京东方科技集团股份有限公司 | Optical modulator, backlight module, and display device |
| CN107065307A (en) * | 2017-06-05 | 2017-08-18 | 京东方科技集团股份有限公司 | A kind of light collimating structure, substrate, backlight module and display device |
| CN109298572A (en) * | 2018-10-17 | 2019-02-01 | 京东方科技集团股份有限公司 | Angle demodulator and its manufacturing method, display device and angle regulation method |
| WO2022267545A1 (en) * | 2021-06-22 | 2022-12-29 | 纵深视觉科技(南京)有限责任公司 | Switchable liquid crystal optical device |
-
2016
- 2016-01-08 CN CN201620018477.7U patent/CN205281087U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017118214A1 (en) * | 2016-01-08 | 2017-07-13 | 京东方科技集团股份有限公司 | Optical modulator, backlight module, and display device |
| CN106959550A (en) * | 2016-01-08 | 2017-07-18 | 京东方科技集团股份有限公司 | A kind of optical modulator, backlight source module and display device |
| US10545366B2 (en) | 2016-01-08 | 2020-01-28 | Boe Technology Group Co., Ltd. | Optical modulator including multiple modulation units, backlight module and display device |
| CN106959550B (en) * | 2016-01-08 | 2024-04-16 | 京东方科技集团股份有限公司 | Optical modulator, backlight source module and display device |
| CN107065307A (en) * | 2017-06-05 | 2017-08-18 | 京东方科技集团股份有限公司 | A kind of light collimating structure, substrate, backlight module and display device |
| CN107065307B (en) * | 2017-06-05 | 2019-12-27 | 京东方科技集团股份有限公司 | Light collimation structure, substrate, backlight module and display device |
| CN109298572A (en) * | 2018-10-17 | 2019-02-01 | 京东方科技集团股份有限公司 | Angle demodulator and its manufacturing method, display device and angle regulation method |
| CN109298572B (en) * | 2018-10-17 | 2022-05-24 | 京东方科技集团股份有限公司 | Angle regulator and manufacturing method thereof, display device and angle regulating method |
| WO2022267545A1 (en) * | 2021-06-22 | 2022-12-29 | 纵深视觉科技(南京)有限责任公司 | Switchable liquid crystal optical device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20240027813A1 (en) | Spliced display device and spliced display screen | |
| CN106292051B (en) | A kind of display device and its display methods | |
| CN205281087U (en) | Optical modulation ware, backlight module and display device | |
| CN102866535B (en) | Liquid crystal display panel including photo conversion layer and liquid crystal display device | |
| CN105425469B (en) | A kind of backlight module and preparation method thereof, display device | |
| US20190346719A1 (en) | Display device and method for fabricating the same | |
| CN107238979A (en) | Leaded light component and preparation method, backlight module and display device | |
| CN205542789U (en) | Display device and display terminal | |
| CN207882620U (en) | Display device | |
| CN203069818U (en) | Light guide plate, array substrate, backlight and LCD module | |
| CN104460103A (en) | Colored filter substrate and display module | |
| CN106681047A (en) | Liquid crystal display panel, display device and driving method thereof | |
| CN102588845B (en) | Back lighting device and liquid crystal display device | |
| CN206074956U (en) | A kind of display device | |
| CN112540474B (en) | Display device with switchable wide and narrow viewing angles | |
| CN109212655A (en) | Backlight and its manufacturing method, display device | |
| US20170242172A1 (en) | Polarising photovoltaic module built into the screen of an electronic display device | |
| CN106773298A (en) | Backlight module and liquid crystal display | |
| CN206096694U (en) | Display panel and device | |
| CN106405938A (en) | LED back light module and LED display equipment | |
| CN206096710U (en) | Display device | |
| CN108957813A (en) | A kind of reflected displaying device and its manufacturing method | |
| CN110161613A (en) | Backlight module and preparation method thereof, liquid crystal display device | |
| CN106707624A (en) | Display element, backlight source and display device | |
| CN109709720A (en) | Backlight module and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 |