WO2014201797A1 - 背光模组及其制作方法、显示装置以及驱动方法 - Google Patents
背光模组及其制作方法、显示装置以及驱动方法 Download PDFInfo
- Publication number
- WO2014201797A1 WO2014201797A1 PCT/CN2013/087023 CN2013087023W WO2014201797A1 WO 2014201797 A1 WO2014201797 A1 WO 2014201797A1 CN 2013087023 W CN2013087023 W CN 2013087023W WO 2014201797 A1 WO2014201797 A1 WO 2014201797A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- light
- backlight module
- reflective
- layer
- 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.)
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Classifications
-
- 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
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/202—LCD, i.e. liquid crystal displays
Definitions
- Backlight module manufacturing method thereof, display device and driving method
- the present invention relates to the field of liquid crystal display technology, and in particular to a backlight module and a method of fabricating the same, a display device including the same, and a driving method for driving the display device.
- Background technique
- the basic structure of a liquid crystal display includes a backlight source and a liquid crystal display panel.
- a conventional liquid crystal display panel includes an array substrate 103, a color filter substrate 105, and a liquid crystal 104 disposed between the array substrate 103 and the color filter substrate 105.
- the outer side of the array substrate 103 is provided with a lower polarizing plate 102b, and the outer side of the color filter substrate 105 is provided with an upper polarizing plate 102a, and the vibration transmitting directions of the upper polarizing plate 102a and the lower polarizing plate 102b are perpendicular to each other.
- the light from the backlight source 101 is transmitted through the lower polarizing plate 102b outside the array substrate 103, and then converted into linearly polarized light.
- the polarization directions of the linearly polarized lights can be differently deflected, and thus the linearly polarized light passes through the polarizing plate 102a outside the color filter substrate 105.
- the transmittances are different, so that the brightness of the emitted light is different, so that the liquid crystal display exhibits a color display of different gray levels.
- a conventional liquid crystal display requires a lower polarizing plate 102b disposed outside the array substrate 103 and a lower polarizing plate 102b disposed outside the color filter substrate 105.
- the vibration transmitting directions of the upper polarizing plates 102a are completely perpendicular to each other, but it is actually difficult to realize the upper polarizing plate 102a and the lower polarizing plate 102b due to the effects of the properties of the upper polarizing plate 102a and the lower polarizing plate 102b and the deflection performance of the liquid crystal 104.
- the directions of the vibration transmission are completely perpendicular to each other, so that the light emitted by the backlight source 101 cannot be completely blocked, that is, the true black cannot be displayed. Summary of the invention
- the technical problem to be solved by the present invention includes, for the problem that the existing display device cannot realize the all-black display, and provides a backlight module with improved contrast, which can realize all-black display, and a preparation method thereof, and the backlight module A display device and a driving method of the display device.
- a backlight module including a first substrate and a second substrate disposed opposite to each other.
- Each of the first substrate and the second substrate includes a plurality of light transmissive regions and a plurality of light shielding regions, and the light transmissive regions and the light shielding regions are spaced apart from each other on the first substrate and the second substrate.
- the projection of the light shielding area of the first substrate on the second substrate completely covers the light transmission area of the second substrate.
- the first reflective layer reflects light rays reaching the first reflective layer via the light-transmitting region of the second substrate to the second reflective layer in a curved state, and the second reflective layer is to be reflected to the The light of the second reflective layer is reflected to the light transmissive area of the first substrate.
- the backlight module further includes a plurality of electrodes disposed on a side of the first substrate opposite to the second substrate, and respectively connected to the respective first reflective layers.
- the bendable first reflective layer In a state where no voltage is applied to the backlight module, the bendable first reflective layer is not bent, and thus the backlight source is irradiated to the first reflective layer that is not bent via the light-transmitting region of the second substrate, and the light is completely Reflected back, the light emitted by the backlight source cannot pass through the backlight module, and the liquid crystal panel is displayed as black at this time.
- the projection of the light shielding region of the second substrate on the first substrate may be complementary to the light shielding region of the first substrate.
- each of the first reflective layers may include at least one bendable reflective sheet.
- each of the plurality of electrodes may be coupled to each of the flexible reflective sheets.
- the flexible reflective sheet may include a light reflecting film and an electroflex film attached to the light reflecting film, the electroconductive film being connected to the electrode.
- the electro-flexible film may be composed of polypropionic acid rubber or vinylidene fluoride. Made of materials of the class compound.
- the electroflex film is bendable away from the first substrate under the driving of the electrode.
- the light reflecting film may be made of a material containing any one of a reflective cloth, aluminum, and copper.
- the second reflective layer may be made of a material including any one of a reflective cloth, aluminum, and copper.
- the backlight module further includes a shielding layer, and the shielding layer covers the light shielding area of the first substrate.
- a method for fabricating an atomic backlight module includes the steps of: preparing a first substrate, the first substrate comprising a plurality of light transmissive regions and a plurality of light shielding regions, and the light transmissive region and the light shielding region are Forming a space on the first substrate; forming a bendable first reflective layer on the light-shielding region of the first substrate; preparing a second substrate, the second substrate comprising a plurality of light-transmitting regions and a plurality of light-shielding regions The light-emitting area and the light-shielding area are spaced apart from each other on the second substrate; a second reflective layer is formed on the light-shielding area of the second substrate; and the backlight module is formed by using the first substrate and the second substrate, wherein The first substrate forms a side of the first reflective layer opposite to a side of the second substrate on which the second reflective layer is formed, and a light shielding area of the first substrate is on the second
- the forming the first reflective layer may include the steps of: sequentially forming an electrode layer, an electro-flexible film layer, and a reflective film layer on the first substrate, wherein the electrode layer is opposite to the electro-curvature film Forming the layer and the reflective film layer with an etch selectivity; sequentially removing the reflective film layer and the electro-flex film layer on the light-transmissive region of the first substrate by an etching process, The light-reflecting film layer and the electro-flexible film layer are retained on the light-shielding region of the first substrate, the remaining light-reflecting film layer and the electro-flexible film layer form a bendable reflective sheet, and the bendable reflective sheet is at the first Forming the first reflective layer on a light shielding region of the substrate; and patterning the electrode layer by an etching process to form an electrode such that the electrode is located at one end of the flexible reflective sheet.
- the process of etching the electrode layer may be an isotropic etching process.
- the manufacturing method may further include the step of: forming a shielding layer covering the light shielding region of the first substrate on the first substrate.
- a display device including the above backlight module is provided.
- the display device includes the backlight module described above, the display device can display the entire circumference.
- the display device may further include a liquid crystal panel, and the first substrate of the backlight module and the array substrate of the liquid crystal panel may be the same substrate.
- the second substrate of the backlight module can be integrated on the optical film of the backlight source of the display device.
- the optical film material may include any one of a light guide plate, a diffusion plate, and a prism film.
- a driving method of a display device includes the backlight module, and the method includes: when displaying all black content, causing the first reflective layer not to bend; And causing the first reflective layer to bend when the non-full black content is displayed.
- the bendable first reflective layer does not bend when no voltage is applied, so that when the light is irradiated to the first reflective layer where the bending does not occur, it is completely reflected back, and thus there is no light.
- the display device using the driving method can realize a full black display.
- FIG. 1 is a structural view of a conventional liquid crystal display device
- FIG. 2 is a schematic structural view of a backlight module according to an embodiment of the present invention when no voltage is applied;
- FIG. 3 is a schematic structural view of a backlight module according to an embodiment of the present invention when a voltage is applied;
- FIG. 4 is a schematic structural view of a backlight module according to another embodiment of the present invention
- FIG. 5 is a plan view of a backlight module according to an embodiment of the present invention
- FIG. 6 is a schematic view of a lens according to the present invention.
- the backlight module of the embodiment A process step of a method of forming a bendable first reflective layer on a light-shielding region of a substrate.
- the reference numerals in the various figures are:
- orientation words "upper and lower” as used in the present invention refer to the “upper and lower” directions in Figs. 2 to 4.
- FIG. 2 is a schematic structural view of a backlight module according to an embodiment of the present invention when no voltage is applied
- FIG. 3 is a diagram of applying power to a backlight module according to an embodiment of the present invention
- FIG. 4 is a schematic structural view of a backlight module according to another embodiment of the present invention
- FIG. 5 is a top view of a backlight module according to an embodiment of the present invention.
- a backlight module includes a first substrate 204 and a second substrate 205 disposed opposite to each other.
- Each of the first substrate 204 and the second substrate 205 includes a plurality of light-transmissive regions Q1 and a plurality of light-shielding regions Q2, and the light-transmitting regions Q1 and the light-shielding regions Q2 are disposed on the first substrate 204 and the second substrate 205 at intervals. That is, on each of the first substrate 204 and the second substrate 205, the light-shielding region Q2 is adjacent to and alternately disposed with the light-transmitting region Q1. The projection of the light-shielding region Q2 of the first substrate 204 on the second substrate 205 completely covers the light-transmitting region Q1 of the second substrate 205.
- the backlight module provided by the embodiment of the present invention can be used in combination with the backlight source 101 disposed under the backlight module and the liquid crystal panel 206 disposed above the backlight module.
- a bendable first reflective layer may be formed on each of the light shielding regions Q2 of the first substrate 204, and the first reflective layer may include at least one bendable reflective sheet 201 (hereinafter referred to as "reflection sheet 201").
- a second reflective layer 202 may be formed on each of the light-shielding regions Q2 of the second substrate 205.
- the reflective sheet 201 can reflect the light reaching the reflective sheet 201 via the light-transmitting region Q1 of the second substrate 205 to the second reflective layer 202 in a curved state, and the second reflective layer 202 will be reflected to the second reflective layer 202.
- the light transmissive area Q1 of the first substrate 204 is reflected. Then, the light passes through the light-transmitting area Q1 of the first substrate 204 to emit the backlight module and is incident on the liquid crystal panel 206, so that the liquid crystal panel 206 displays a picture.
- the reflection sheet 201 is not bent, and the emitted light of the backlight source 101 is irradiated to the reflection sheet 201 which has not been bent, and is completely reflected back. .
- the light emitted from the backlight source 101 is not transmitted through the first substrate 204. That is, at this time, the liquid crystal panel 206 disposed above the backlight module provided by the present invention is displayed as all black.
- the projection of the light shielding region Q2 of the second substrate 205 on the first substrate 204 may be complementary to the light shielding region Q2 of the first substrate 204. That is, the first reflective layer formed on the light shielding region Q2 of the first substrate 204 and the light shielding region Q2 formed on the second substrate 205 The resulting second reflective layer 205 is formed to complement each other. In this way, manufacturing costs can be saved, and the area of the light-transmitting region Q1 of the first substrate 204 can be maximized.
- the backlight module may further include a plurality of electrodes 203.
- the electrodes 203 may be disposed on a side of the first substrate 204 opposite to the second substrate 205, and are respectively connected to the respective reflective sheets 201 for driving the reflective sheet 201 to be bent.
- the reflection sheet 201 may include a light-reflecting film 603' and an electro-flex film 602' attached to the light-reflecting film 603', and the electro-flex film 602' is connected to the electrode 203.
- the electro-curved film 602' can be bent away from the first substrate 204 (i.e., toward the second substrate 205) under the driving of the electrode 203. That is to say, in the state where the voltage is applied, the reflection sheet 201 is bent, as shown in Figs. 3 and 4.
- Each of the curved reflection sheets 201 may form a concave surface and reflect the light reaching the concave surface onto the second reflection layer 202 of the second substrate 205. When the reflection sheet 201 is produced.
- the focus of the concave surface formed by the curved reflection sheet 201 is located on the second reflection layer 202, so that the reflection sheet 201 in the curved state can totally reflect the light reaching the reflection sheet 201 to the second.
- the focus of the concave surface formed by the reflective sheet 201 after bending may also be located in the vicinity of the upper or lower portion of the second reflective layer 202 shown in FIGS. 3 and 4, as long as the reflective sheet 201 in the bent state can be The light is reflected into the corresponding area of the second reflective layer 202.
- the curved reflection sheet 201 reflects the light to the second emission layer 202, and the second reflection layer 202 reflects the light reflected by the reflection sheet 201. Reflected again to transmit through the light transmissive region Q1 of the first substrate 204. Light transmitted through the light-transmitting region Q1 of the first substrate 204 is incident into the liquid crystal panel 206, so that the liquid crystal panel 206 displays a picture.
- the material forming the electrostrictive film 602' may comprise a polypropionic acid rubber or a vinylidene fluoride compound. However, the invention is not limited thereto. Other electrostrictive films capable of causing the reflection sheet 201 to be bent may also be employed.
- the material forming the light reflecting film 603' may include any one of a reflective cloth, aluminum, and copper. However, the invention is not limited thereto. Other materials that are reflective can also be used. Further, the material forming the second reflective layer 202 may include any one of a reflective cloth, aluminum, and copper. However, the invention is not limited thereto. Other materials that are reflective can also be used. In the structure shown in FIGS.
- the first reflective layer formed on each of the light shielding regions Q2 of the first substrate 204 includes two reflection sheets 201.
- the basic structure of the reflection sheet 201 is shown by way of example only, and the length or shape of the reflection sheet 201 is not specifically limited.
- the lengths of the two reflective sheets 201 of each first reflective layer may be equal, and the total length of the two reflective sheets 201 may be equal to the length of one light-shielding region Q2 of the first substrate 204. In this way, it is possible to prevent light emitted from the backlight source 101 from being incident into the liquid crystal panel 206 through the backlight module without the reflection sheet 201 being bent.
- the backlight module provided by the present invention may also have a structure as shown in FIG. In FIG. 4, the first reflective layer formed on each of the light shielding regions Q2 of the first substrate 204 may include only one reflective sheet 201.
- a shielding layer 207 may be formed on the first substrate 204.
- the occlusion layer 207 covers the light-shielding region Q2 of the first substrate 204, so that when the reflection sheet 201 is bent, light leakage occurs due to the occurrence of a gap in the middle of the adjacent reflection sheet 201. At the same time, the backlight can be prevented from being bent when the reflection sheet 201 is not bent. Light emitted from the light source 101 is incident into the liquid crystal panel 206 through a gap between the adjacent reflection sheets 201. As shown in FIGS. 2 and 3, the shielding layer 207 may be disposed on a side of the first substrate 204 opposite to the second substrate 205 (i.e., the light emitting surface of the first substrate 204).
- the occlusion layer 207 may be embedded in the array substrate provided in the liquid crystal panel 206 or may be interposed between the liquid crystal panel 206 and the first substrate 204.
- the shielding layer 207 may also be disposed on a side of the first substrate 204 opposite to the second substrate 205 (ie, a light incident surface of the first substrate 204) as long as it can cover the light shielding area Q2 of the first substrate 204.
- the gap between the adjacent reflection sheets 201 may be sufficient.
- backlight module provided by the present invention
- the display device including the backlight module provided by the present invention may not be utilized.
- Backlight source but using natural light to provide a light source for the backlight module.
- the present invention also provides a method for fabricating the above backlight module, which specifically includes the following steps:
- the first substrate 204 is prepared.
- the first substrate 204 includes a plurality of light transmissive regions Q1 and a plurality of light shielding regions Q2.
- the light transmissive regions Q1 and the light shielding regions Q2 are spaced apart on the first substrate 204.
- the side of the first substrate 204 forming the first reflective layer is opposite to the side of the second substrate 205 where the second reflective layer 202 is formed, and the projection of the light-shielding region Q2 of the first substrate 204 on the second substrate 205 is completely
- the light transmissive area Q1 of the second substrate 205 is covered.
- Fig. 6 is a process view schematically showing a method of forming a bendable first reflective layer on a light shielding region of a first substrate of a backlight module according to an embodiment of the present invention.
- forming the bendable first reflective layer may include the steps of:
- An electrode layer 601, an electro-flexible film layer 602, and a reflective film layer 603 are formed on the first substrate 204 in sequence, and the electrode layer 601 is formed of a material having an etch selectivity with respect to the electro-flexible film layer 602 and the reflective film layer 603;
- the light reflecting film layer 603 and the electrostrictive film layer 602 are sequentially removed on the light transmitting region Q1 of the first substrate 204 by an etching process, and the light reflecting film layer (reflecting film 603') is left on the light blocking region Q2 of the first substrate 204 and
- the electro-flexible film layer (electro-flex film 602'), the remaining light-reflecting film layer and the electro-flexible film layer form the flexible reflective sheet 201, and the flexible reflective sheet 201 forms a first portion on the light-shielding region Q2 of the first substrate 204.
- the electrode layer 601 is patterned by an etching process to form the electrode 203 such that the electrode 203 is located at one end of the flexible reflective sheet 201.
- the etching liquid can be made to the bendable reflective sheet by controlling the etching time and the amount of the etching liquid. Etching between the 201 and the first substrate 204 ensures that the electrode 203 is located at one end of the reflective sheet 201.
- the method may further include forming a shielding layer 207 covering the light shielding region Q2 of the first substrate 204 on the first substrate 204.
- the shielding layer 207 may be formed on the light emitting surface of the first substrate 204 or may be formed on the light incident surface of the first substrate 204.
- the occlusion layer 207 is formed on the first substrate 204 before the bendable first reflective layer is formed on the light shielding region Q2 of the first substrate 204.
- the present invention also provides a display device including the above backlight module.
- the display device may include a liquid crystal panel 206.
- the first substrate 204 of the backlight module and the array substrate of the liquid crystal panel 206 may be the same substrate, that is, the electrodes 203 of the backlight module may be formed on the array substrate of the liquid crystal panel 206.
- the second substrate 205 of the backlight module can be integrated on the optical film of the backlight source 101 of the display device.
- the optical film may include any one of a light guide plate, a diffusion plate, and a prism film.
- the display device can be any product or component having a display function such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, and the like.
- the liquid crystal panel 206 of the display device displays all black.
- the display device may further include a backlight source 101 disposed under the backlight module to provide a light source for the backlight module.
- the backlight source may not be included, and the backlight is provided by the natural light.
- the present invention provides a driving method for driving the above display device, the display device comprising the backlight module provided by the present invention, the method comprising: when displaying all black content, making the first in the backlight module The first reflective layer formed on the light-shielding region Q2 of the substrate 204 does not bend; and when the non-fully black content is displayed, the first reflective layer is bent.
- the driving voltage is not applied to the backlight module, the bendable reflective sheet 201 is not bent, and the light emitted by the backlight source 101 is irradiated to the reflective sheet. After 201, it is not reflected to the second reflective layer 202, so that no light is incident on the liquid crystal panel 206, and the display device displays all black.
- the display device When the non-full black content is to be displayed, a driving voltage is applied to the backlight module, and the bendable reflective sheet 201 is bent. The light emitted by the backlight source 101 is irradiated onto the reflective sheet 201 and then reflected to the second reflective layer 202, thereby Light is incident on the liquid crystal panel 206, and the display device displays a screen.
- the liquid crystal panel 206 can be replaced with another display panel such as an electrochromic display panel.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/381,718 US10007146B2 (en) | 2013-06-20 | 2013-11-13 | Backlight module, manufacturing method thereof, display device, and driving method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310247524.6A CN103309088B (zh) | 2013-06-20 | 2013-06-20 | 背光结构及其制备方法、显示装置、显示方法 |
| CN201310247524.6 | 2013-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014201797A1 true WO2014201797A1 (zh) | 2014-12-24 |
Family
ID=49134472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2013/087023 Ceased WO2014201797A1 (zh) | 2013-06-20 | 2013-11-13 | 背光模组及其制作方法、显示装置以及驱动方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10007146B2 (zh) |
| CN (1) | CN103309088B (zh) |
| WO (1) | WO2014201797A1 (zh) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103309088B (zh) | 2013-06-20 | 2015-07-15 | 京东方科技集团股份有限公司 | 背光结构及其制备方法、显示装置、显示方法 |
| CN105700243A (zh) * | 2016-04-29 | 2016-06-22 | 京东方科技集团股份有限公司 | 一种显示面板以及显示装置 |
| CN111653447B (zh) * | 2019-06-18 | 2023-02-17 | 光宝电子(广州)有限公司 | 电路结构、应用其的背光模块及发光按键装置 |
| CN110728266A (zh) * | 2019-10-30 | 2020-01-24 | 维沃移动通信(杭州)有限公司 | 显示模组及电子设备 |
| CN111029334B (zh) * | 2019-12-06 | 2022-11-15 | 惠州视维新技术有限公司 | Led显示面板及其制造方法 |
| CN114383074B (zh) * | 2022-01-21 | 2023-11-10 | 北京悦米科技有限公司 | 一种多功能智能台灯 |
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| CN1125327A (zh) * | 1994-04-30 | 1996-06-26 | 大宇电子株式会社 | 可驱动反射镜阵列及其制造方法 |
| US20020114158A1 (en) * | 2001-02-20 | 2002-08-22 | Prokia Technology Co., Ltd. | Illuminating apparatus using multiple light sources |
| US20040100594A1 (en) * | 2002-11-26 | 2004-05-27 | Reflectivity, Inc., A California Corporation | Spatial light modulators with light absorbing areas |
| CN102650383A (zh) * | 2011-02-24 | 2012-08-29 | 夏普株式会社 | 光源模块和光学元件 |
| CN103309088A (zh) * | 2013-06-20 | 2013-09-18 | 京东方科技集团股份有限公司 | 背光结构及其制备方法、显示装置、显示方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7722790B2 (en) * | 2007-05-11 | 2010-05-25 | Skc Haas Display Films Co., Ltd. | Anamorphic microlens array |
| US7768690B2 (en) * | 2008-06-25 | 2010-08-03 | Qualcomm Mems Technologies, Inc. | Backlight displays |
| JP5667888B2 (ja) * | 2010-12-13 | 2015-02-12 | 日立マクセル株式会社 | バックライトユニット及びこれを用いた映像表示装置 |
-
2013
- 2013-06-20 CN CN201310247524.6A patent/CN103309088B/zh not_active Expired - Fee Related
- 2013-11-13 US US14/381,718 patent/US10007146B2/en active Active
- 2013-11-13 WO PCT/CN2013/087023 patent/WO2014201797A1/zh not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125327A (zh) * | 1994-04-30 | 1996-06-26 | 大宇电子株式会社 | 可驱动反射镜阵列及其制造方法 |
| US20020114158A1 (en) * | 2001-02-20 | 2002-08-22 | Prokia Technology Co., Ltd. | Illuminating apparatus using multiple light sources |
| US20040100594A1 (en) * | 2002-11-26 | 2004-05-27 | Reflectivity, Inc., A California Corporation | Spatial light modulators with light absorbing areas |
| CN102650383A (zh) * | 2011-02-24 | 2012-08-29 | 夏普株式会社 | 光源模块和光学元件 |
| CN103309088A (zh) * | 2013-06-20 | 2013-09-18 | 京东方科技集团股份有限公司 | 背光结构及其制备方法、显示装置、显示方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103309088A (zh) | 2013-09-18 |
| CN103309088B (zh) | 2015-07-15 |
| US20150338704A1 (en) | 2015-11-26 |
| US10007146B2 (en) | 2018-06-26 |
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