CN104075192B - Backlight and display device - Google Patents
Backlight and display device Download PDFInfo
- Publication number
- CN104075192B CN104075192B CN201410293099.9A CN201410293099A CN104075192B CN 104075192 B CN104075192 B CN 104075192B CN 201410293099 A CN201410293099 A CN 201410293099A CN 104075192 B CN104075192 B CN 104075192B
- Authority
- CN
- China
- Prior art keywords
- backlight
- lamp bar
- guide plate
- light guide
- incidence
- 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.)
- Active
Links
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The present invention relates to display technology field, a kind of backlight and display device are disclosed.The backlight includes at least one adjusting part and at least one position limiting structure, the adjusting part is used for the distance between plane of incidence for moving lamp bar to adjust lamp bar and light guide plate, the position limiting structure is used to keep the distance between plane of incidence of lamp bar and light guide plate to be the value after regulation, so that certain light mixing distance can be kept between lamp bar and the plane of incidence of light guide plate, so as to ensure the even light mixing of backlight, the display quality of product is improved.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of backlight and display device.
Background technology
Because liquid crystal does not light in itself, in the various liquid crystal display (Liquid such as liquid crystal display, LCD TV
Crystal Display, hereinafter referred to as " LCD ") in, it is required for realizing display by outside backlight.Backlight according to point
Cloth position is divided into two kinds of side-light type and straight-down negative, and side-light type back light is due to its that required luminescent device number is few, cost is low, thickness
Spend thin advantage and be widely used in the LCD of small-medium size.
It is the partial sectional view of side-light type back light shown in Fig. 1, it includes backboard 1, is successively set on the back of the body from top to bottom
The light guide plate 2 and optical film material 3 of the top of plate 1, in addition to the lamp bar 6 that sets sideways of neighbouring light guide plate 2 and for lightguide plate fixing 2
With the glue frame 4 of optical film material 3, display panel 5 is placed in glue frame 4, finally again by front frame 7 by display panel 5 and backlight
Fit together.The effect of light guide plate 2 is to import the light at dipped beam end and be transmitted to distance light end, with light extraction on light guide plate 2
Site is also printed with the relative lower surface in face, makes whole exiting surface uniform light, area source is formed there is provided to display panel,
For showing.
The lamp bar 6 of traditional side-light type back light is fixed on backboard 1 by two-sided tape, in design, if lamp bar 6
Too near apart from light guide plate 2, meeting mixed light is uneven, produces one bright one dark alternatively distributed phenomenon, i.e. focal point phenomenon and (is also referred to as firefly
Fireworm phenomenon).Moreover, operationally, if higher temperature causes the dilatancy of light guide plate 2, can also produce light leak, mura etc.
Optics is bad.
The content of the invention
The present invention provides a kind of backlight and display device, to solve in side-edge type backlight, due to design or temperature
The reason for, cause lamp bar too near apart from light guide plate, produce the problem of optics is bad.
In order to solve the above technical problems, the present invention provides a kind of backlight, including lamp bar, backboard and it is fixed on backboard
Light guide plate, the light guide plate includes exit facet and the plane of incidence adjacent with the exit facet, and the lamp bar is close to the light guide plate
The plane of incidence set, the light sent is injected in the light guide plate by the plane of incidence, is then projected from exit facet, the backlight
Also include：
At least one adjusting part, is adjusted between the lamp bar and the plane of incidence of light guide plate for moving the lamp bar
Distance；
At least one position limiting structure, after the distance between the plane of incidence for keeping the lamp bar and light guide plate is regulation
Value.
Backlight as described above, it is preferred that the backlight also includes：
Movable part, it is described between the plane of incidence and backboard of the light guide plate with the shape coordinated with the backboard
Lamp bar is fixed on the movable part；
The adjusting part be used for move the movable part adjust between the lamp bar and the plane of incidence of light guide plate away from
From.
Backlight as described above, it is preferred that backboard position corresponding with the lamp bar is provided with the first screw；
The position limiting structure includes：
Elastic filling member, between the backboard and lamp bar；
The adjusting part includes：
Stud, including first end and the second end, the first end are fixedly connected with the lamp bar, and second end passes through institute
The first screw is stated, the outside of the backlight is protruded from；
The nut coordinated with the stud, the external diameter of the nut is more than the aperture of first screw.
Backlight as described above, it is preferred that the backlight also includes：
Glue frame, one end of the glue frame is located at the side where the exit facet of the light guide plate, for fixing the leaded light
Plate, the other end is located between the lamp bar and backboard.
Backlight as described above, it is preferred that the elastic filling member compression is fixed between the backboard and lamp bar.
Backlight as described above, it is preferred that the elastic filling member is fixed on the backboard.
Backlight as described above, it is preferred that the adjusting part and elastic filling member are arranged at intervals.
Backlight as described above, it is preferred that the lamp bar is LED light bar, including multiple LED units.
The present invention also provides a kind of display device, including display panel and backlight, it is characterised in that the backlight is adopted
Backlight as described above is used, the display panel is located at the side where the exit facet of the light guide plate of the backlight.
Display device as described above, it is preferred that the display panel is placed in the glue frame of the backlight；
The display device also includes front frame, and one end of the front frame is located at the display panel away from the light guide plate
The side of exit facet, for fixing the display panel, the other end is corresponding with the lamp bar position of backlight；
The second screw is provided with the front frame, second screw is corresponding with the first screwhole position of the backlight,
Expose the second end of the stud of backlight.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
In above-mentioned technical proposal, the backlight of display device includes at least one adjusting part and at least one spacing knot
Structure, the adjusting part is used for the distance between plane of incidence for moving lamp bar to adjust lamp bar and light guide plate, the position limiting structure
The distance between plane of incidence for keeping the lamp bar and light guide plate is the value after regulation so that the incidence of lamp bar and light guide plate
Certain light mixing distance can be kept between face, so as to ensure the even light mixing of backlight, the display quality of product is improved.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 represents the partial structural diagram of display device in the prior art using side-edge type backlight；
Fig. 2 represents the partial top view of display device in the embodiment of the present invention；
Fig. 3 represents sectional views of the Fig. 2 along A-A directions；
Fig. 4 represents sectional views of the Fig. 2 along B-B directions.
Embodiment
In side-edge type backlight, (light of lamp bar injects light guide plate to the plane of incidence of lamp bar and light guide plate from the plane of incidence
In) between must keep certain light mixing distance.In design, if the distance between plane of incidence of lamp bar and light guide plate is too
Closely, will mixed light it is uneven, produce firefly phenomenon.Moreover, operationally, if higher temperature causes light guide plate expansion change
Shape, can also produce the optics such as light leak, mura bad.
In order to solve the above-mentioned technical problem, the present invention provides a kind of backlight, between its lamp bar and the plane of incidence of light guide plate
Distance be not fixed, but can adjust, can so that when the distance between lamp bar and the plane of incidence of light guide plate is too near
To adjust the light mixing distance for keeping certain between lamp bar and the plane of incidence of light guide plate, above-mentioned technical problem is effectively solved.
Below in conjunction with drawings and examples, the embodiment to the present invention is described in further detail.Following reality
Applying example is used to illustrate the present invention, but is not limited to the scope of the present invention.
A kind of side-edge type backlight is provided with reference to shown in Fig. 2-Fig. 4, in the embodiment of the present invention, it includes lamp bar 6, backboard 1,
And it is fixed on light guide plate 2 and optical film material 3 on backboard 1.Light guide plate 2 includes exit facet and adjacent with the exit facet entered
Penetrate face.Lamp bar 6 is set close to the plane of incidence of light guide plate 2, and the light sent is injected in light guide plate 2 by the plane of incidence of light guide plate 2,
Then projected from the exit facet of light guide plate 2, then there is provided to display panel 5 after the regulation of optical film material 3.
The backlight also includes at least one adjusting part and at least one position limiting structure.The adjusting part is used to move
The distance between the plane of incidence of dynamic lamp bar 6 to adjust lamp bar 6 and light guide plate 2, the position limiting structure is used to keep lamp bar 6 and leaded light
The distance between plane of incidence of plate 2 is the value after regulation.Because the position of light guide plate 2 is fixed, it can be adjusted by mobile lamp bar 6
The distance between plane of incidence of lamp bar 6 and light guide plate 2.
The distance between the plane of incidence of the backlight of the present invention by mobile lamp bar to adjust lamp bar and light guide plate, and keep
The distance between plane of incidence of lamp bar and light guide plate is the value after regulation so that can be protected between lamp bar and the plane of incidence of light guide plate
Certain light mixing distance is held, so as to ensure the even light mixing of backlight, the display quality of product is improved.
Wherein, lamp bar 6 can be light emitting diode (Light Emitting Diode, hereinafter referred to as " LED ") lamp bar, bag
Include multiple LED units 13.LED unit 13 has the advantages that good development properties, service life length, mercury-free environmental protection.
In a specific embodiment, one is set to be located at movable part 8, lamp between the plane of incidence of light guide plate 2 and backboard 1
Bar 6 is fixed on movable part 8.Then the adjusting part adjusts entering for lamp bar 6 and light guide plate 2 specifically for mobile movable part 8
Penetrate the distance between face.Wherein, movable part 8 has the shape coordinated with backboard 1, to ensure that movable part 8 freely can be transported back and forth
It is dynamic, stable support lamp bar 1.
In the present embodiment, the adjusting part is specially the stud 21 and nut 22 of cooperation, and in 6 pairs of backboard 1 and lamp bar
The position answered sets the first screw 10.Stud 21 includes first end and the second end, and the first end is fixedly connected with lamp bar 6, has
Body can be fixedly connected with movable part 8.The position limiting structure includes elastic filling member 9.Wherein, elastic filling member 9 is located at backboard 1
Between lamp bar 6, the external diameter of nut 22 is more than the aperture of the first screw 10.Second end of stud 21 passes through the first screw 10, convex
For the outside of backlight.So as to which nut 22 is from the continuous screw-in at the second end of stud 21, lamp bar 6 can be driven to move, compressed
Elastic filling member 9, the plane of incidence away from light guide plate 2 increases the distance between plane of incidence of lamp bar 6 and light guide plate 2.And it is elastic
The elastic restoring force of filling member 9 can keep the distance between plane of incidence of lamp bar 6 and light guide plate 2 to be the value after regulation.Due to
Elastic filling member 9 is located between backboard 1 and lamp bar 6, easily realizes, can simplify the structure of backlight.
It should be noted that one of above-mentioned simply adjusting part and position limiting structure implements structure, it is not one kind
Limit.For example：Can also backboard 1 close to the second end of stud 21 position set block piece, when adjust lamp bar 6 with leaded light
After the distance between plane of incidence of plate 2, by the movement of the spacing plane of incidence of the lamp bar 6 away from light guide plate 2 of block piece, lamp bar is kept
6 be the value after regulation with the distance between the plane of incidence of light guide plate 2.
In the prior art, lightguide plate fixing 2 is carried out generally by setting glue frame 4.Led specifically, one end of glue frame 4 is located at
Side where the exit facet of tabula rasa 2, for lightguide plate fixing 2.
In the present embodiment, set the other end of glue frame 4 to be located between lamp bar 6 and backboard 1, can specifically be located at movable part 8
Between backboard 1.Because glue frame 4 itself has certain elasticity, it can further increase the plane of incidence of lamp bar 6 and light guide plate 2
Between adjustable distance scope.More specifically, elastic filling member 9 can be located between glue frame 4 and movable part 8.
Further, when stud 21 and nut 22 of the adjusting part for cooperation, in addition it is also necessary in the spiral shell of glue frame 4 and first
The corresponding position in hole 10 sets the 3rd screw 12.Then the second end of stud 21 sequentially passes through the 3rd screw 12 and the first screw 10,
Protrude from the outside of backlight.
Wherein, elastic filling member 9 can be fixed between backboard 1 and lamp bar 6 by way of elastic compression, can also be by
Elastic filling member 9 is fixed on backboard 1.
Preferably, the adjusting part (specifically including stud 21 and nut 22) and elastic filling member 9 are arranged at intervals, and are such as schemed
It is consistent with the distance between the plane of incidence of light guide plate 2 shown in 2 so that the position of whole lamp bar 6 is homogeneous, it is fine to ensure backlight
The even light mixing in source.
Backlight in the present embodiment is specifically included：
Backboard 1, has the first screw 10 with the corresponding position of lamp bar 6；
Light guide plate 2 on backboard 1, light guide plate 2 includes exit facet and the plane of incidence adjacent with the exit facet；
Movable part 8, between the plane of incidence of backboard 1 and light guide plate 2；
Elastic filling member 9, between glue frame 4 and movable part 8；
Lamp bar 6, is fixed on movable part 8, and is set close to the plane of incidence of light guide plate 2, and the light that lamp bar 6 is sent is by entering
Penetrate face to inject in the light guide plate, then projected from exit facet, then be supplied to after the regulation of optical film material 3 display panel 5；
Glue frame 4, has the 3rd screw 12 with the corresponding position of the first screw 10, and one end of glue frame 4 is located at going out for light guide plate 3
The side penetrated where face, for lightguide plate fixing 2, the other end is located between movable part 8 and backboard 1；
The stud 21 and nut 22 of cooperation, the external diameter of nut 22 are more than the aperture of the first screw 10, the first end of stud 21
It is fixedly connected with movable part 8, the second end sequentially passes through the 3rd screw 12 and the first screw 10, protrudes from the outside of backlight.Spiral shell
Cap 22 can move the elasticity of compression filling member 9 of movable part 8 from the continuous screw-in at the second end of stud 21, entering away from light guide plate 2
The distance between face is penetrated, so that increase the plane of incidence of lamp bar 6 and light guide plate 2.The elastic restoring force of elastic filling member 9 can be kept
The distance between plane of incidence of lamp bar 6 and light guide plate 2 is the value after regulation.
By using the backlight of the present invention, even if product design is made a fault, or operating temperature is higher, produces firefly
The optics such as phenomenon, light leak, mura are bad, also need not direct scrap products, can by rotary nut 22 on stud 21 it is reciprocal
The distance between motion, the plane of incidence freely to adjust lamp bar 6 and light guide plate 2, so as to improve firefly phenomenon, it is to avoid light guide plate
The optics such as light leak, the mura that 2 dilatancy is produced are bad, substantially increase product yield.
A kind of display device is also provided in the embodiment of the present invention, as shown in figure 3, the display device includes display panel 5
And backlight, the backlight is using above-mentioned backlight, exit facet of the display panel 5 positioned at the light guide plate 2 of the backlight
The side at place.
Due to ensure that the even light mixing of the backlight, light leak, the mura of light guide plate dilatancy generation are overcome
It is bad Deng optics, so as to improve the display quality of display device.
As shown in figure 3, in a display device, display panel 5 is typically placed in the glue frame 4 of the backlight, and is set
Front frame 7, and one end of front frame 7 is located at display panel 5 away from the side of the exit facet of light guide plate 2, for fixed display panel 5,
The other end is corresponding with the position of lamp bar 6 of backlight.
Correspondingly, also there is second screw 11 corresponding with the position of the first screw 10 in front frame 7, expose the stud of backlight
21 the second end.Specifically, the second end of stud 21 sequentially passes through the 3rd screw 12, the first screw 10 and the second screw 11, it is convex
For the outside of backlight.
In technical scheme, the backlight of display device includes at least one adjusting part and at least one is spacing
Structure, the adjusting part is used for the distance between plane of incidence for moving lamp bar to adjust lamp bar and light guide plate, the spacing knot
Structure is used to keep the distance between plane of incidence of lamp bar and light guide plate to be the value after regulation so that the plane of incidence of lamp bar and light guide plate
Between can keep certain light mixing distance, so as to ensure the even light mixing of backlight, improve the display quality of display device.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and replacement can also be made, these improve and replaced
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of backlight, including lamp bar, backboard and the light guide plate that is fixed on backboard, the light guide plate include exit facet and with
The adjacent plane of incidence of the exit facet, the lamp bar is set close to the plane of incidence of the light guide plate, and the light sent is by incident
Face is injected in the light guide plate, is then projected from exit facet, it is characterised in that the backlight also includes：
At least one adjusting part, adjusted for moving the lamp bar between the lamp bar and the plane of incidence of light guide plate away from
From；
At least one position limiting structure, the distance between the plane of incidence for keeping the lamp bar and light guide plate is the value after regulation,
The position limiting structure includes：
Elastic filling member, between the backboard and lamp bar；
Backboard position corresponding with the lamp bar is provided with the first screw；
The adjusting part includes：
Stud, including first end and the second end, the first end are fixedly connected with the lamp bar, and second end is through described the
One screw, protrudes from the outside of the backlight；
The nut coordinated with the stud, the external diameter of the nut is more than the aperture of first screw.
2. backlight according to claim 1, it is characterised in that the backlight also includes：
Movable part, with the shape coordinated with the backboard, between the plane of incidence and backboard of the light guide plate, the lamp bar
It is fixed on the movable part；
The adjusting part is used for the distance between plane of incidence for moving the movable part to adjust the lamp bar and light guide plate.
3. backlight according to claim 1, it is characterised in that the backlight also includes：
Glue frame, one end of the glue frame is located at the side where the exit facet of the light guide plate, for fixing the light guide plate, separately
One end is located between the lamp bar and backboard.
4. the backlight according to claim 1 or 3, it is characterised in that the elastic filling member compression is fixed on the back of the body
Between plate and lamp bar.
5. the backlight according to claim 1 or 3, it is characterised in that the elastic filling member is fixed on the backboard.
6. the backlight according to claim 1 or 3, it is characterised in that the adjusting part and elastic filling member interval are set
Put.
7. backlight according to claim 1, it is characterised in that the lamp bar is LED light bar, including multiple LED units.
8. a kind of display device, including display panel and backlight, it is characterised in that the backlight uses claim 1-7
Backlight described in any one, the display panel is located at the side where the exit facet of the light guide plate of the backlight.
9. display device according to claim 8, it is characterised in that the display panel is placed on the glue of the backlight
On frame；
The display device also includes front frame, and one end of the front frame is located at the outgoing that the display panel deviates from the light guide plate
The side in face, for fixing the display panel, the other end is corresponding with the lamp bar position of backlight；
The second screw is provided with the front frame, second screw is corresponding with the first screwhole position of the backlight, exposes
Second end of the stud of backlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410293099.9A CN104075192B (en) | 2014-06-25 | 2014-06-25 | Backlight and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410293099.9A CN104075192B (en) | 2014-06-25 | 2014-06-25 | Backlight and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104075192A CN104075192A (en) | 2014-10-01 |
| CN104075192B true CN104075192B (en) | 2017-09-15 |
Family
ID=51596660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410293099.9A Active CN104075192B (en) | 2014-06-25 | 2014-06-25 | Backlight and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104075192B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI818810B (en) * | 2022-11-18 | 2023-10-11 | 茂林光電科技股份有限公司 | Manufacturing method of thin light guide module and thin light guide module thereof |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566040A (en) * | 2015-01-16 | 2015-04-29 | 京东方科技集团股份有限公司 | Backlight module and a display device |
| CN104763979A (en) * | 2015-01-28 | 2015-07-08 | 合肥京东方光电科技有限公司 | LGP (Light Guide Plate), backlight module and display device |
| CN105137653B (en) * | 2015-08-27 | 2020-04-17 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN105864722B (en) * | 2016-05-30 | 2020-03-17 | 众普森科技（株洲）有限公司 | LED panel light and frame assembly |
| CN106678562B (en) * | 2017-01-23 | 2019-10-08 | 彩虹奥特姆（湖北）光电有限公司 | A kind of lamp plate supporting piece and the constant device in light guide plate gap |
| CN206573825U (en) * | 2017-03-30 | 2017-10-20 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN110456561A (en) * | 2019-07-29 | 2019-11-15 | 武汉华星光电技术有限公司 | Backlight module and display module |
| TWI743880B (en) * | 2020-07-10 | 2021-10-21 | 瑞儀光電股份有限公司 | Backlight module and display device |
| CN113217876B (en) * | 2021-04-06 | 2023-07-04 | 马瑞利汽车零部件(芜湖)有限公司 | Light guide incident end supporting seat structure integrated with elastic structure |
| CN114660699A (en) * | 2022-03-25 | 2022-06-24 | 江苏毅昌科技有限公司 | Assembly structure of ELED side-entry module |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4985788B2 (en) * | 2010-01-13 | 2012-07-25 | オムロン株式会社 | Surface light source device and liquid crystal display device |
| CN102155693B (en) * | 2011-04-14 | 2012-08-08 | 深圳市华星光电技术有限公司 | Liquid crystal display device and backlight module of liquid crystal display device |
| US20120262647A1 (en) * | 2011-04-14 | 2012-10-18 | Che-Chang Hu | Liquid Crystal Display and Backlight Module Employed Therein |
| US20130128189A1 (en) * | 2011-11-21 | 2013-05-23 | Chechang Hu | Backlight Module and Liquid Crystal Display Device |
| CN102927499B (en) * | 2012-10-24 | 2015-02-11 | 深圳市华星光电技术有限公司 | Liquid crystal display device and backlight module thereof |
-
2014
- 2014-06-25 CN CN201410293099.9A patent/CN104075192B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI818810B (en) * | 2022-11-18 | 2023-10-11 | 茂林光電科技股份有限公司 | Manufacturing method of thin light guide module and thin light guide module thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104075192A (en) | 2014-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104075192B (en) | Backlight and display device | |
| US9310635B2 (en) | Curved liquid crystal display device | |
| US9766487B2 (en) | Curved liquid crystal display device | |
| US9182620B1 (en) | Curvature adjustment structure of curved liquid crystal display device | |
| US9588274B2 (en) | Light bar and backlight module using same | |
| US9366804B2 (en) | Backplane and backlight module and liquid crystal display device using same | |
| CN103885117B (en) | Light guide plate, backlight module and liquid crystal module | |
| CN205229629U (en) | Backlight unit , display module assembly and display device | |
| CN104849793A (en) | Electronic paper display screen light-guiding plate and electronic paper display screen | |
| DE112012005880T5 (en) | Liquid crystal display module | |
| US8708546B2 (en) | Backlight module | |
| CN203286495U (en) | Multi-face-light-emitting LED light source, LED lamp strip and backlight module | |
| CN103925524B (en) | The energy-saving backlight module that angle of visibility is adjustable | |
| CN103744217A (en) | Backlight module and display device | |
| CN103292246B (en) | A kind of blooming piece, backlight module and display device | |
| CN104763910A (en) | Light guide plate, manufacturing method thereof, backlight source and display device | |
| US20190011737A1 (en) | Display device | |
| CN202548472U (en) | Direct type liquid crystal display module and backlight module thereof | |
| CN204164828U (en) | A kind of backlight module for cambered surface TV | |
| US20130208505A1 (en) | Backlight Module | |
| CN205227061U (en) | Backlight unit , display module assembly and display device | |
| CN209086612U (en) | A kind of flexible backlight module of straight-down negative | |
| CN203732748U (en) | Electronic paper display screen light guide plate and electronic paper display screen | |
| US9316853B2 (en) | Combination backboard and backlight module and liquid crystal display device using the backboard | |
| KR102048080B1 (en) | Crystal backlight unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |