CN104763937A - Backlight backing plate, backlight module and display device - Google Patents
Backlight backing plate, backlight module and display device Download PDFInfo
- Publication number
- CN104763937A CN104763937A CN201510185974.6A CN201510185974A CN104763937A CN 104763937 A CN104763937 A CN 104763937A CN 201510185974 A CN201510185974 A CN 201510185974A CN 104763937 A CN104763937 A CN 104763937A
- Authority
- CN
- China
- Prior art keywords
- light
- led lamp
- lamp bar
- backlight
- area
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a backlight backing plate, a backlight module and a display device. The backlight backing plate is used for fixing an LED light bar and a light guide plate; the backing plate comprises a first plate piece located on one side of the light emitting face of the light guide plate, the lower plane, facing the LED light bar and the light guide plate, of the first plate piece is provided with a light ray adjusting unit, and the orthographic projection of the light ray adjusting unit covers the marginal area, close to the LED light bar, of the light guide plate to reduce the light ray brightness difference between the first area and the second area; the first area is an area which is located in the marginal area and directly faces the position between two adjacent LED lights; the second area is an area which is located in the marginal area and directly faces all the LED lights. The backlight module and the display device comprise the backlight backing plate. According to the backlight backing plate, the backlight module and the display device, the hotspot phenomenon of the backlight can be improved, and the function exertion of the backlight backing plate, the backlight module and the display device can not be limited by a backlight itself structure.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of back panel of backlight, backlight module and display unit.
Background technology
At present, in notebook FPD module, price pressure is increasing, and backlight accounts for the cost of 50% in display module, LED accounts for the cost of 30% in the backlight, and the number therefore reducing LED in backlight has very large contribution to the cost reducing display module.And on the other hand, LED (Light EmittingDiode, light emitting diode) minimizing of a number can cause display module picture to occur hotspot (focus) phenomenon, and the method for solution hotspot the most general at present does V-cut (V-type cutting) structure or incident side light guide plate mesh point and LED contraposition in the incident side at light guide plate to design.Due to this body structure of backlight module, these two kinds of methods of prior art have limitation, and when LED number reduces further, use the method just can not solve hotspot phenomenon, therefore, new hotspot solution urgently proposes.
Summary of the invention
In view of this, the invention provides a kind of back panel of backlight, backlight module and display unit, the hotspot phenomenon of backlight can be improved, and its Function is not by the restriction of this body structure of backlight.
Based on above-mentioned purpose back panel of backlight provided by the invention, for fixed L ED lamp bar and light guide plate; It is characterized in that, described backboard comprises the first plate of the exiting surface side being positioned at described light guide plate, described first plate is provided with light adjustment unit on the lower plane of described LED lamp bar and described light guide plate, its orthographic projection covers the fringe region of the described LED lamp bar of next-door neighbour of described light guide plate, poor for the light luminance reduced between first area and second area;
Described first area is region just right in described fringe region and between adjacent two LED lamp of described LED lamp bar; Described second area is region in described fringe region, just right with every LED lamp of described LED lamp bar.
Optionally, described light adjustment unit comprises light reflection component and/or light absorption component; Described light reflection component is arranged at position corresponding with described first area on described lower plane; Described light absorption component is arranged at position corresponding with described second area on described lower plane.
Optionally, described light adjustment unit comprises light reflection component and light absorption component; Described light reflection component is reflective paste layer; Described light absorption component is that the light be arranged on described reflective paste layer absorbs site.
Optionally, near LED lamp bar to away from the direction of LED lamp bar, the density that described light absorbs site reduces gradually;
And/or, near LED lamp bar to away from the direction of LED lamp bar, the size that described light absorbs site reduces gradually.
Optionally, described light absorbs the overlay area of site and LED lamp bar emergent ray to be irradiated to the shape in the 3rd region that described lower plane is formed suitable.
Optionally, described light adjustment unit comprises light reflection component and light absorption component; Described light absorption component is that light absorbs paste layer; Described light reflection component is be arranged at the reflective site on described light absorption paste layer.
Optionally, close to LED lamp bar to away from the direction of LED lamp bar, the density of described reflective site increases;
And/or, close to LED lamp bar to away from the direction of LED lamp bar, the size of described reflective site increases gradually.
Optionally, described reflective site is arranged in multiple retroreflective regions, and the second area between each retroreflective regions and every two adjacent LED lamps of described LED lamp bar is corresponding; Close to LED lamp bar to away from the direction of LED lamp bar, the width of each retroreflective regions increases gradually.
Meanwhile, the present invention also provides a kind of backlight module, comprises the back panel of backlight that any one embodiment of the present invention provides.
Further, the present invention also provides a kind of display unit, comprises the backlight module that any one embodiment of the present invention provides.
As can be seen from above, back panel of backlight provided by the present invention, backlight module and display unit, back panel of backlight arranges the first plate, the lower plane of the first plate towards LED lamp bar and light guide plate arranges light adjustment unit, the vibrational power flow light adjustment unit of back panel of backlight itself can be utilized, without the need to transforming light conducting plate structure, LED not only can be made just suitable to the position brightness of correspondence position in light guide plate between the brightness of position and two LED lamp in light guide plate, the phenomenon of the bright dark inequality in effective prevention backlight picture LED side, also not by the structure of backlight module, the impact of LED number, the feature that tool is extensively suitable for.In addition, the back panel of backlight that the embodiment of the present invention provides, backlight module and display unit, adopt the function that reflective paste layer, light absorb the combination of site or light absorbs paste layer, the combination of reflective site realizes light adjustment, not only can reduce and realize cost, also there is very long service life, do not need the electric energy that backlight module consumption is extra, through the illuminance simulated experiment of reality, scheme provided by the present invention has good uniform light Adjustment effect.
Accompanying drawing explanation
Fig. 1 is the back panel of backlight structural representation of the embodiment of the present invention;
Fig. 2 is fringe region schematic diagram described in the embodiment of the present invention;
Fig. 3 A is the light adjustment unit schematic diagram of an embodiment of the present invention;
Fig. 3 B is the light path schematic diagram of Fig. 3 A illustrated embodiment of the present invention;
Fig. 4 is the LED lamp bar light-emitting zone schematic diagram of the embodiment of the present invention;
Fig. 5 A is the light adjustment unit schematic diagram of the another kind of embodiment of the present invention;
Fig. 5 B is the light path schematic diagram of Fig. 3 B illustrated embodiment of the present invention;
Fig. 6 is the back panel of backlight structural representation of prior art.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
First the present invention provides a kind of back panel of backlight, for fixed L ED lamp bar 102 and light guide plate 103; Structure as shown in Figure 1, described backboard comprises the first plate 101 of the exiting surface side being positioned at described light guide plate, described first plate 101 is provided with light adjustment unit 104 on the lower plane of described LED lamp bar 102 and described light guide plate 103, its orthographic projection covers the fringe region of the described LED lamp bar 102 of next-door neighbour of described light guide plate 103, poor for the light luminance reduced between second area and first area;
Described first area is in described fringe region and just right region, interval in LED lamp bar 102 between adjacent two LED lamp; Described second area is region in described fringe region, just right with every LED lamp in LED lamp bar 102.
As can be seen from above, back panel of backlight provided by the present invention, has light adjustment unit, this light adjustment unit utilizes the structure of backlight itself and arranges, do not need to transform the structure of light guide plate, be not thus subject to the restriction of LED layout and number, applied widely.In a particular embodiment, multiple LED is provided with in LED lamp bar 102.
In prior art, back panel of backlight structure as shown in Figure 6, has base plate 105, for carrying LED lamp bar 102 and light guide plate 103, backboard originally has bending part 602 in LED lamp bar 102 side, and this bending part has the plate 603 that is parallel to light guide plate and base plate 105 plane.In the specific embodiment of the invention, the plate being parallel to light guide plate and base plate of described backlight bending part can be used as the first plate 101.
In the specific embodiment of the invention, the orthographic projection of described light adjustment unit 104 is the projection of light adjustment unit on the direction of the base plate 105 perpendicular to backboard.
The fringe region of next-door neighbour's LED lamp bar 102 of light guide plate 103, has the region of one fixed width, as shown in Fig. 2 dash area for being positioned at light guide plate 103 close to the side of LED lamp bar 102.
In some embodiments of the invention, described light adjustment unit 104 comprises light reflection component and/or light absorption component; Described light reflection component is arranged at position corresponding with described first area on described lower plane; Described light absorption component is arranged at position corresponding with described second area on described lower plane.
In a particular embodiment of the present invention, light adjustment unit 104 can only comprise light reflection component, this light reflection component is arranged at position corresponding with described first area on described lower plane, for reflecting the light between LED lamp bar, first area is brightened, thus reduces the luminance difference between second area and first area.
In a particular embodiment of the present invention, light adjustment unit 104 can only comprise light absorption component, this light absorption component is arranged at position corresponding with described second area on described lower plane, the light in its just right region is irradiated to for absorbing LED lamp bar, second area brightness is reduced, thus reduces the luminance difference between second area and first area.
In some embodiments of the invention, as shown in Figure 3A, described light adjustment unit 104 comprises light reflection component and light absorption component; Described light reflection component is reflective paste layer 1041; Described light absorption component is that the light be arranged on described reflective paste layer absorbs site 1042.Fig. 3 B is the index path of the embodiment shown in Fig. 3 A, is absorbed, light intensity decreasing when the light that LED sends arrives the light absorption site 1042 of oblique upper; And the light between two adjacent LED lamps is reflected by the reflective paste layer of the position, oblique upper between LED, and light intensity increases.
Concrete, described light reflection component is the Reflective adhesive tape of white reflection adhesive tape or other color, and light absorption component is that the light of black or grey or other color absorbs site; Described white reflection tape sticker is located on the first plate 101 lower surface, absorbs site at the light of the lower surface interval process black towards light guide plate of this Reflective adhesive tape or grey, is transmitted into light absorbs light on site for absorbing LED.
Adopt reflective paste layer 1041 and light to absorb site 1042, make the volume of light adjustment unit 104 negligible for whole backlight module, thus the setting of light adjustment unit 104 and layout be not by the structure limit value of backlight module itself.When reducing or increase the number of LED because of cost or other reason, easily can change different reflective paste layers 1041 and adjustment light absorption site 1042, manufacture and the replacement cost of light adjustment unit are low, and Reflective adhesive tape and light to absorb site 1042 loss in the use procedure of display unit few, life-span is long, can continue the light luminance adjustment function of bringing into normal play within the display unit time limit in service life.
In some embodiments of the invention, from close LED lamp bar 102 to the direction away from LED lamp bar 102, the density that described light absorbs site 1042 reduces gradually;
And/or from close LED lamp bar 102 to the direction away from LED lamp bar 102, the size that described light absorbs site reduces gradually.
Because the position light more close to LED lamp bar is more concentrated more by force, position light more away from LED lamp bar is more weak more for dispersing, therefore, in a particular embodiment, on reflective paste layer 1041, light absorbs in the distributed areas of site 1042, more absorbs close to the local light of LED lamp bar that site 1042 is more intensive, dot size is less; Local light absorption site 1042 more away from LED lamp bar 102 is more spread, dot size is larger.
In the specific embodiment of the invention, described light absorbs the site that site 1042 can be the arbitrary shapes such as circular shaped lattice point, rectangle site, triangle site.
In some embodiments of the invention, the shape that the overlay area of described light absorption site 1042 and LED lamp bar 102 emergent ray are irradiated to the 3rd region that described lower plane is formed is suitable.
In the ordinary course of things, a LED light-emitting zone shape approximation is in the isosceles triangle being summit with this LED, with reference to Fig. 4, namely Fig. 1 overlooks direction structure schematic diagram, LED lamp bar 102 projects the 3rd region that the first plate 101 lower plane is formed, should be similar to each LED be summit, the lighting angle of the LED isosceles triangle that is drift angle; When single led lamp is wider time, it is the isosceles trapezoid of upper base that described 3rd region should be similar to LED.Described light absorbs the overlay area shape of site 1042 on reflective paste layer 1041 should be suitable with described 3rd region shape.In Fig. 4, dotted arrow represents the light emitting region of LED.
Still with reference to Fig. 3 A, edge close to LED lamp bar 102 on reflective paste layer 1041 is not arranged light and absorb site 1042, the original position that light absorbs site 1042 has a bit of distance apart from reflective paste layer near the side of light guide plate 103 light point, thus the light of first area can not because of by taken in excess, brightness too reduces.Light absorbs site 1042 and absorbs the light that LED is transmitted into oblique upper, thus reduces the brightness at LED place, makes the brightness between the brightness at LED place and two LEDs suitable, effectively the phenomenon of the bright dark inequality in prevention backlight picture LED side, i.e. hotspot phenomenon.
In some embodiments of the invention, with reference to Fig. 5 A, described light adjustment unit comprises light reflection component and light absorption component; Described light absorption component is that light absorbs paste layer 1043; Described light reflection component is be arranged at the reflective site 1044 on described light absorption paste layer.Fig. 5 B is the index path of the embodiment shown in Fig. 5 A, is absorbed, light intensity decreasing when the light that LED sends arrives the light absorption paste layer 1043 of its oblique upper; Light between adjacent LED lamp is reflected by the reflective site 1044 of oblique upper between adjacent LED lamp, and light intensity increases.
In a particular embodiment, light absorbs the light absorbent tape that paste layer 1043 can be black, grey or other color, position, oblique upper printing white reflection site 1044 between two adjacent LED lamps, for reflecting the light received by second area position corresponding on the first plate lower plane, strengthen the brightness of second area.
In some embodiments of the invention, close to LED lamp bar 102 to away from the direction of LED lamp bar, the density of described reflective site 1044 increases;
And/or, close to LED lamp bar 102 on the direction away from LED lamp bar 102, the size of described reflective site 1044 increases gradually.
In the position more away from LED lamp bar, illumination brightness is less, light is more diffusion, therefore close to LED lamp bar to away from the direction of LED lamp bar, the density that light absorbs site increases or size increase, thus the light reflected in the position more away from LED lamp bar is more, effect is strengthened to the brightness of low light region stronger.
In some embodiments of the invention, described reflective site 1044 is arranged in multiple retroreflective regions 1045, and the second area between each retroreflective regions 1045 and every two adjacent LED lamps of LED lamp bar 102 is corresponding; Close to LED lamp bar 102 on the direction away from LED lamp bar 102, the width of each retroreflective regions 1045 increases gradually.
In addition, light absorption component of the present invention and reflective member can be respectively light and absorb paste layer and reflective paste layer, reflection plaster laminating being located at light absorbs below paste layer, on reflective paste layer, respective regions is provided with opening, reflective paste layer is made to cover the local of light absorption paste layer, at reflective paste layer aperture position, light absorbs paste layer local and exposes, and the light that the LED lamp bar absorbing tiltedly below is launched.Or, light is absorbed the below that paste layer is arranged at reflective paste layer, absorb respective regions on paste layer at light and be provided with opening, light absorption paste layer is made to cover the local of reflective paste layer, paste layer aperture position is absorbed at light, reflective paste layer local retains, and by the light reflection in the region between LED.Above-mentioned reflective paste layer and light absorb paste layer and all can manufacture shaping by comparatively simple mfg. moulding die, can simplify and manufacture step and the tool of production, enhance productivity.
Meanwhile, the present invention also provides a kind of backlight module, comprises the back panel of backlight that any one embodiment of the present invention provides.
Further, the present invention also provides a kind of display unit, comprises the backlight module that any one embodiment of the present invention provides.
As can be seen from above, back panel of backlight provided by the present invention, backlight module and display unit, back panel of backlight arranges the first plate, the lower plane of the first plate towards LED lamp bar and light guide plate arranges light adjustment unit, the vibrational power flow light adjustment unit of back panel of backlight itself can be utilized, without the need to transforming light conducting plate structure, LED not only can be made just suitable to the position brightness of correspondence position in light guide plate between the brightness of position and two LED lamp in light guide plate, the phenomenon of effective prevention backlight picture bright dark inequality in LED lamp bar side, also not by the structure of backlight module, the impact of LED number, the feature that tool is extensively suitable for.In addition, the back panel of backlight that the embodiment of the present invention provides, backlight module and display unit, adopt the function that reflective paste layer, light absorb the combination of site or light absorbs paste layer, the combination of reflective site realizes light adjustment, not only can reduce and realize cost, also there is very long service life, do not need the electric energy that backlight module consumption is extra, through the illuminance simulated experiment of reality, scheme provided by the present invention has good uniform light Adjustment effect.
Should be appreciated that multiple embodiments described by this description are only for instruction and explanation of the present invention, are not intended to limit the present invention.And when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a back panel of backlight, for fixed L ED lamp bar and light guide plate; It is characterized in that, described backboard comprises the first plate of the exiting surface side being positioned at described light guide plate, described first plate is provided with light adjustment unit on the lower plane of described LED lamp bar and described light guide plate, its orthographic projection covers the fringe region of the described LED lamp bar of next-door neighbour of described light guide plate, poor for the light luminance reduced between first area and second area;
Described first area is region just right in described fringe region and between adjacent two LED lamp of described LED lamp bar; Described second area is region in described fringe region, just right with every LED lamp of described LED lamp bar.
2. back panel of backlight according to claim 1, it is characterized in that, described light adjustment unit comprises light reflection component and/or light absorption component; Described light reflection component is arranged at position corresponding with described first area on described lower plane; Described light absorption component is arranged at position corresponding with described second area on described lower plane.
3. back panel of backlight according to claim 2, is characterized in that, described light adjustment unit comprises light reflection component and light absorption component; Described light reflection component is reflective paste layer; Described light absorption component is that the light be arranged on described reflective paste layer absorbs site.
4. back panel of backlight according to claim 3, is characterized in that, near LED lamp bar to away from the direction of LED lamp bar, the density that described light absorbs site reduces gradually;
And/or, near LED lamp bar to away from the direction of LED lamp bar, the size that described light absorbs site reduces gradually.
5. back panel of backlight according to claim 3, is characterized in that, the shape that the overlay area of described light absorption site and LED lamp bar emergent ray are irradiated to the 3rd region that described lower plane is formed is suitable.
6. back panel of backlight according to claim 2, is characterized in that, described light adjustment unit comprises light reflection component and light absorption component; Described light absorption component is that light absorbs paste layer; Described light reflection component is be arranged at the reflective site on described light absorption paste layer.
7. back panel of backlight according to claim 6, is characterized in that, close to LED lamp bar to away from the direction of LED lamp bar, the density of described reflective site increases;
And/or, close to LED lamp bar to away from the direction of LED lamp bar, the size of described reflective site increases gradually.
8. back panel of backlight according to claim 6, is characterized in that, described reflective site is arranged in multiple retroreflective regions, and the second area between each retroreflective regions and every two adjacent LED lamps of described LED lamp bar is corresponding; Close to LED lamp bar to away from the direction of LED lamp bar, the width of each retroreflective regions increases gradually.
9. a backlight module, is characterized in that, comprises the back panel of backlight in claim 1-8 described in any one.
10. a display unit, is characterized in that, comprises backlight module according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185974.6A CN104763937A (en) | 2015-04-20 | 2015-04-20 | Backlight backing plate, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185974.6A CN104763937A (en) | 2015-04-20 | 2015-04-20 | Backlight backing plate, backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104763937A true CN104763937A (en) | 2015-07-08 |
Family
ID=53645943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510185974.6A Pending CN104763937A (en) | 2015-04-20 | 2015-04-20 | Backlight backing plate, backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104763937A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526524A (en) * | 2016-02-22 | 2016-04-27 | 昆山市诚泰电气股份有限公司 | Strip-type light emitting structure |
| WO2017096864A1 (en) * | 2015-12-10 | 2017-06-15 | 乐视控股（北京）有限公司 | Backlight module, display module and display device |
| CN108693592A (en) * | 2017-04-07 | 2018-10-23 | 元太科技工业股份有限公司 | Leaded light component |
| CN109491146A (en) * | 2019-01-15 | 2019-03-19 | 京东方科技集团股份有限公司 | Illuminating module and its manufacturing method, down straight aphototropism mode set and display device |
| US10823895B2 (en) | 2014-01-29 | 2020-11-03 | E Ink Holdings Inc. | Light-emitting module |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007294372A (en) * | 2006-03-28 | 2007-11-08 | Harison Toshiba Lighting Corp | Surface light source device and display device |
| CN201599726U (en) * | 2009-12-25 | 2010-10-06 | 康佳集团股份有限公司 | Reflector |
| KR20110041825A (en) * | 2009-10-16 | 2011-04-22 | 엘지디스플레이 주식회사 | Backlight unit and liquid crystal display device having the same |
| CN202253155U (en) * | 2011-07-29 | 2012-05-30 | 瑞仪光电股份有限公司 | Backlight module |
| CN103175034A (en) * | 2013-03-26 | 2013-06-26 | 南京中电熊猫液晶显示科技有限公司 | Light-emitting diode (LED) backlight module |
| CN203082714U (en) * | 2013-02-28 | 2013-07-24 | 合肥京东方光电科技有限公司 | Backlight module and display device |
| CN103818131A (en) * | 2014-02-11 | 2014-05-28 | 青岛歌尔声学科技有限公司 | Method for printing ink dots on reflector plate |
| CN104344281A (en) * | 2013-08-01 | 2015-02-11 | 苏州璨宇光学有限公司 | Light source module |
-
2015
- 2015-04-20 CN CN201510185974.6A patent/CN104763937A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007294372A (en) * | 2006-03-28 | 2007-11-08 | Harison Toshiba Lighting Corp | Surface light source device and display device |
| KR20110041825A (en) * | 2009-10-16 | 2011-04-22 | 엘지디스플레이 주식회사 | Backlight unit and liquid crystal display device having the same |
| CN201599726U (en) * | 2009-12-25 | 2010-10-06 | 康佳集团股份有限公司 | Reflector |
| CN202253155U (en) * | 2011-07-29 | 2012-05-30 | 瑞仪光电股份有限公司 | Backlight module |
| CN203082714U (en) * | 2013-02-28 | 2013-07-24 | 合肥京东方光电科技有限公司 | Backlight module and display device |
| CN103175034A (en) * | 2013-03-26 | 2013-06-26 | 南京中电熊猫液晶显示科技有限公司 | Light-emitting diode (LED) backlight module |
| CN104344281A (en) * | 2013-08-01 | 2015-02-11 | 苏州璨宇光学有限公司 | Light source module |
| CN103818131A (en) * | 2014-02-11 | 2014-05-28 | 青岛歌尔声学科技有限公司 | Method for printing ink dots on reflector plate |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10823895B2 (en) | 2014-01-29 | 2020-11-03 | E Ink Holdings Inc. | Light-emitting module |
| WO2017096864A1 (en) * | 2015-12-10 | 2017-06-15 | 乐视控股（北京）有限公司 | Backlight module, display module and display device |
| CN105526524A (en) * | 2016-02-22 | 2016-04-27 | 昆山市诚泰电气股份有限公司 | Strip-type light emitting structure |
| CN108693592A (en) * | 2017-04-07 | 2018-10-23 | 元太科技工业股份有限公司 | Leaded light component |
| CN109491146A (en) * | 2019-01-15 | 2019-03-19 | 京东方科技集团股份有限公司 | Illuminating module and its manufacturing method, down straight aphototropism mode set and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6386142B2 (en) | Lighting device | |
| CN107255886B (en) | Planar lighting device and display device | |
| KR102138181B1 (en) | Light device | |
| JP6185082B2 (en) | Direct backlight diffusion for display panels | |
| CN104763937A (en) | Backlight backing plate, backlight module and display device | |
| KR20110046452A (en) | Light source devices, lighting devices and display devices | |
| EP2812752B1 (en) | Backlight device | |
| JP2019061929A (en) | Illuminating device and display device provided with the same | |
| JP2014139870A (en) | Illumination device and image display apparatus using the same | |
| CN103672537A (en) | LED light bar, backlight module and display device | |
| GB2506625A (en) | LCD backlight display | |
| TWI526743B (en) | Light-emitting module | |
| EP2653777A1 (en) | Lighting device and cove lighting module using the same | |
| CN104235758B (en) | Lens, the light-guiding shade with the lens and the lighting device using the lens | |
| KR20150137959A (en) | Secondary optical element and light source module | |
| KR102497470B1 (en) | Lighting package and Automobile lamp using the same | |
| JP2010192892A (en) | Light emitting device | |
| TWM467800U (en) | Direct lighting type illumination device with flat-type | |
| JP2008277157A (en) | Display device | |
| TW202020364A (en) | Illuminating mechanism, backlight module, and display device | |
| JP6298986B2 (en) | Lighting device | |
| WO2013088594A1 (en) | Backlight apparatus and liquid crystal display apparatus | |
| JP2012145829A (en) | Light-emitting device and luminaire | |
| KR102261289B1 (en) | High mounted stop lamp for car | |
| JP2015037059A (en) | Lighting device and visible light communication device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150708 |
|
| RJ01 | Rejection of invention patent application after publication |