CN105278163B - A kind of down straight aphototropism mode set and display device - Google Patents
A kind of down straight aphototropism mode set and display device Download PDFInfo
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- CN105278163B CN105278163B CN201510783798.6A CN201510783798A CN105278163B CN 105278163 B CN105278163 B CN 105278163B CN 201510783798 A CN201510783798 A CN 201510783798A CN 105278163 B CN105278163 B CN 105278163B
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- 230000005142 aphototropism Effects 0.000 title claims abstract description 15
- 238000005452 bending Methods 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 6
- 238000007639 printing Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920000535 Tan II Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001447 compensatory effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of down straight aphototropism mode sets, including backboard, the reflector plate on the backboard and the light source on the backboard bottom surface, the reflector plate includes: the first fixed part on the backboard bottom surface, and first fixed position is between the backboard bottom surface and the light source；The first reflecting part at least extended from first fixed part side；The second reflecting part that one end from first reflecting part far from first fixed part extends close to first reflecting part.Reflector plate is designed using double-fold in backlight module provided by the invention, directly-down liquid crystal display edge can be improved and the phenomenon that black surround or corner blackening occur, compared to traditional mode for printing grey or black ink on reflector plate bevel edge, printing process is saved, is reduced costs.In addition, be additionally provided with cutting line and roulette on the reflector plate, avoid reflector plate and generate fold or the phenomenon that local degumming is arched upward.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of down straight aphototropism mode sets and display device.
Background technique
Backlight module is one of the key part and component of liquid crystal display, since liquid crystal itself does not shine, the function of backlight module
The light source that can be well-off brightness and be evenly distributed, can normally show image.Currently, common two kinds of backlights
Mould group is down straight aphototropism mode set and sidelight type backlight module, and the essential distinction of two kinds of backlight modules is the position of light emitting source
It sets, light emitting source is located at the underface of display panel in down straight aphototropism mode set, and light emitting source is located at back in sidelight type backlight module
Tabula rasa side.With the increase of display size, down straight aphototropism mode set has obtained wider application.
Down straight aphototropism mode set includes backboard, reflector plate and light source, and light source is located at backboard bottom surface.In downward back optical mode
In group, since lamp box height is thicker, it will usually increase bevel edge design being located at backboard bottom reflection piece edge, to improve back
The apparent thickness of edges of boards edge.But this single bevel edge design can be such that reflector plate bevel edge and angled portion reflection light is incident on
On display panel, so that there is phenomena such as partially dark entirety, nigrescence, brightness disproportionation in display panel edge, thus in display surface edges of boards
There is the phenomenon that black surround or corner blackening in edge.Black surround or corner blackening phenomenon are solved in the prior art mainly by reflector plate
Grey or black ink are printed on bevel edge still can not be such that the brightness of reflector plate angled portion increases, only using the method
Weaken the brightness of bevel edge part.And this way cannot fundamentally compensatory reflex piece angled portion brightness, and due to
Using reflector plate printing process, lead to the increased costs of reflector plate.
Summary of the invention
In order to solve the deficiencies in the prior art, directly-down liquid crystal display edge can be improved the invention proposes one kind and gone out
The backlight module and display device of the phenomenon that existing black surround or corner blackening.
Technical solution proposed by the present invention are as follows: a kind of down straight aphototropism mode set, including the backboard to lower and upper setting, reflection
Piece, light source and display panel, the reflector plate include:
The first fixed part being correspondingly arranged with the light source；
First fixed part, one side bends and extends to form the first reflecting part towards the display panel direction, described
The angle of first reflecting part and first fixed part is α, α≤90 °；The length of first reflecting part is a, the light
Source height is B, and the relationship of first reflecting part and the light source meets asin α≤B；
First reflecting part end bends and extends to form the second reflecting part towards the display panel edge direction；Institute
It states the second reflecting part and it in the projection angle of horizontal plane is β, β≤90 °.
Further, the reflector plate further includes bending from second reflecting part end and towards the display surface edges of boards
The second fixed part that edge direction extends, second reflecting part are connect by second fixed part with the display panel；
Wherein, second fixed part end in the plane where first fixed part to project to described first solid
The distance for determining portion side is h；Projection of second fixed part end in the plane where first fixed part with it is described
The distance between light source is H；H/10≤h≤9H/10.
Further, first reflecting part is equipped at least one the first cutting lines, first reflecting part and described the
The boundary line of two reflecting parts is vertical with first cutting line.
Further, second reflecting part is equipped at least one the second cutting lines, first reflecting part and described the
The boundary line of two reflecting parts is vertical with second cutting line, and first cutting line is coplanar with second cutting line.
Further, the light source includes several groups light emitting diode matrix.
Further, first fixed part, which corresponds between light emitting diode matrix described in two adjacent groups, is provided with the junction of the edges of two sheets of paper
Line.
The present invention also provides a kind of display device, including down straight aphototropism mode set, the down straight aphototropism mode set includes extremely
Backboard, reflector plate, light source and the display panel of lower and upper setting, the reflector plate include:
The first fixed part being correspondingly arranged with the light source；
First fixed part, one side bends and extends to form the first reflecting part towards the display panel direction, described
The angle of first reflecting part and first fixed part is α, α≤90 °；The length of first reflecting part is a, the light
Source height is B, and the relationship of first reflecting part and the light source meets asin α≤B；
First reflecting part end bends and extends to form the second reflecting part towards the display panel edge direction；Institute
It states the second reflecting part and it in the projection angle of horizontal plane is β, β≤90 °.
Further, the reflector plate further includes bending from second reflecting part end and towards the display surface edges of boards
The second fixed part that edge direction extends, second reflecting part are connect by second fixed part with the display panel；
Wherein, second fixed part end in the plane where first fixed part to project to described first solid
The distance for determining portion side is h；Projection of second fixed part end in the plane where first fixed part with it is described
The distance between light source is H；H/10≤h≤9H/10.
Further, first reflecting part is equipped at least one the first cutting lines, first reflecting part and described the
The boundary line of two reflecting parts is vertical with first cutting line；
Second reflecting part is equipped at least one the second cutting lines, first reflecting part and second reflecting part
Boundary line is vertical with second cutting line, and first cutting line is coplanar with second cutting line.
Further, the light source includes several groups light emitting diode matrix；First fixed part corresponds to adjacent two
Roulette is provided between the group light emitting diode matrix.
Reflector plate is designed using double-fold in backlight module provided by the invention, can improve directly-down liquid crystal display side
There is the phenomenon that black surround or corner blackening in edge, compared to traditional side for printing grey or black ink on reflector plate bevel edge
Formula saves printing process, reduces costs.In addition, being additionally provided with cutting line and roulette on the reflector plate, reflection is avoided
The phenomenon that piece generation fold or local degumming are arched upward.
Detailed description of the invention
With reference to the accompanying drawing, by the way that detailed description of specific embodiments of the present invention, technical solution of the present invention will be made
And other beneficial effects are apparent.
Fig. 1 is back light module unit structure schematic diagram in the prior art；
Fig. 2 is 1 display device structure cross-sectional view of embodiment；
Fig. 3 is 1 reflector plate structure schematic diagram of embodiment；
Fig. 4 is 2 display device structure cross-sectional view of embodiment；
Fig. 5 is 2 reflector plate structure schematic diagram of embodiment.
Fig. 6 is the light schematic diagram of embodiment 2.
Specific embodiment
Hereinafter, with reference to the accompanying drawings to detailed description of the present invention embodiment.However, it is possible to come in many different forms real
The present invention is applied, and the present invention should not be construed as limited to the specific embodiment illustrated here.On the contrary, providing these implementations
Example is in order to explain the principle of the present invention and its practical application, to make others skilled in the art it will be appreciated that the present invention
Various embodiments and be suitable for the various modifications of specific intended application.In the accompanying drawings, identical label will be used for table always
Show identical element.
Referring to Fig.1, in the prior art, the down straight aphototropism mode set includes backboard 01, light source 02, sheet emitting 03.It is described
Reflector plate 03 includes the first fixed part 031 between the backboard bottom surface and the light source 02, first fixed part 031
The reflecting part 032 that edge is bent to form, the second fixed part 033 that the reflecting part 032 is bent towards its floor projection direction.From figure
In as can be seen that by first fixed part 031 being clamped between the backboard 01 and the light source 02 and will be described
Second fixed part 033, which is clamped between the display panel 04 and the backboard 01, fixes the reflector plate 03 on backboard.
When in the light projection to the reflecting part 032 that the light source 02 issues, the reflecting part 032 reflects it to display panel 04
On, black surround area shown in dashed box as shown in figure 1 is then formed on said display panel.
Backlight module provided by the invention, reflector plate are designed using double-fold, can improve directly-down liquid crystal display screen
There is the phenomenon that black surround or corner blackening in edge.Below by specific embodiment, the technical schemes of the invention are described in detail.
Embodiment 1
Referring to Fig. 2, present embodiments provide a kind of display device, including for example, a kind of straight-down negative backlight module 1, institute
Stating backlight module 1 includes backboard 11, reflector plate 12, light source 13, display panel 2.The reflector plate 12 is located on the backboard 11,
The light source is located on the backboard bottom surface 11a, corresponding with the display area 2a of display panel 2.In the present embodiment, described
Light source 13 is arranged by multi-group light-emitting diode array spacings, is provided with predetermined number hair on every light emitting diode column
Optical diode.
The reflector plate 12 includes: the first fixed part 12a, the first reflecting part 12b, the fixation of the second reflecting part 12c and second
Portion 12d.
First fixed part 12a is between the backboard bottom surface 11a and the light source 13；Described 12a pairs of first fixed part
The viewing area of display panel 2 described in Ying Yu has two sides that can extend in left and right.
It bends from any side the first fixed part 12a (or two side ends are simultaneously) and prolongs towards the display panel direction
It stretches to form the first reflecting part 12b；The first reflecting part 12b and the first fixed part 12a shape have angle as α.
The second reflecting part is extended to form from the end the first reflecting part 12b, far from the direction the first fixed part 12a
12c.Second reflecting part and its in the projection angle of horizontal plane be β.
One end from the second reflector plate 12c far from first reflecting part is along far from first fixed part side 12a
The second fixed part 12d, the second fixed part 12d to extension is parallel with the first fixed part 12a.
Wherein, the angle between the second reflecting part 12c and the first reflecting part 12b is greater than first reflecting part
Angle between 12b and the projection of its horizontal direction；It is preferred that the angle α is less than 90 °, angle β less than 90 °.This structure can make
The display area 2a will not be reflected to after obtaining in the part light projection to the first reflecting part 12b that the light source issues
On, because without the phenomenon that there is black surround or corner blackening in the display platen edge.In the actual process, first reflection
The setting of angle α is also related with the glossiness of first reflecting part between portion 12b and the first fixed part 12a, specifically,
The first reflecting part 12b is bigger in the longer i.e. angle α of projected length of vertical direction, then the light of first reflecting part
Damp degree is lower, for example, the first reflecting part 12b is 5mm, the then light of first reflecting part in the projected length of vertical direction
Damp degree is less than 30.
Further, in order to optimize beneficial effect, second fixed part end is set where first fixed part
Plane on the distance for projecting to first fixed part side be h；Second fixed part end is fixed described first
The distance between projection in plane and the light source where portion are H；H/10≤h≤9H/10；It can guarantee the by improving
The light of light source side leakage can be reflected back on the first fixed part 12a by one reflecting part completely, without reaching display area；And ensure
When watching immediately ahead of display panel 2, the side wall of the backboard and bottom surface there will not be in the visual field, meet display device pair
The requirement of frivolous size.
Further, the reflector plate 12 can using a monolith reflector plate bend out respectively the first fixed part 12a,
First reflecting part 12b, the second reflecting part 12c, the second fixed part 12d, be also possible to by be separated from each other the first fixed part 12a,
First reflecting part 12b, the second reflecting part 12c, the second fixed part 12d are spliced.
Under normal circumstances, in order to save cost, the reflector plate 12 is using a monolith reflector plate, in order to avoid reflection
Piece generates fold or local degumming is arched upward, the first reflecting part 12b and/or the second reflecting part 12c be equipped with several (such as
Be two) cutting line, for example, be separately positioned on the first reflecting part 12b, the second reflecting part 12c the first cutting line 12e,
Second cutting line 12e.There are a boundary line between first reflecting part and second reflecting part, the cutting line with it is described
Boundary line is vertical, and first cutting line with second cutting line coplanar.
In order to save material and the fixed reflector plate, the structure of the backboard is identical as the reflector plate structure, such as
Shown in Fig. 2, it is corresponding in turn to including the bottom surface 11a to fit with the first fixed part 12a and the first reflecting part 12b phase
The first side wall 11b of fitting, the second sidewall 11c to fit with the second reflecting part 12c and the second fixed part 12d
The rest portion 11d to fit the and fixed part 11e upwardly extended by the rest portion 11d.The fixed part 11e is used for institute
Display panel 2 is stated to be limited；The rest portion 11d is for shelving the second fixed part 12d and the display panel 2 simultaneously
The second fixed part 12d is compressed together with the display panel 2；The bottom surface 11a is for shelving first fixed part
12a and the light source simultaneously compress the first fixed part 12a together with the light source, the reflector plate 12 described in this way
It is fixed on the backboard 11.Preferably, in order to enable the reflector plate 12 is bonded closer, Ke Yitong with the backboard 11
Double-sided adhesive is crossed to paste the reflector plate 12 and the backboard 11.
Further, since the light source 13 generates heat in luminescence process, the temperature of the reflector plate 12 can with raising,
In this way, the reflector plate 12 shrinks and leads to the angle between the first reflecting part 12b and the first fixed part 12a
Reduce, when the angle is less than 90 °, then will lead to the first reflecting part 12b and the second reflecting part 12c for the light source
The 13 part light issued are reflected on the display area 2a and black surround or corner blackening occur at 2 edge of display panel
Phenomenon.In order to avoid the reflector plate 12 contraction, correspond to the light emitting diode of the light source 13 in the first fixed part 12a
Roulette 12f is provided between array adjacent row, with alleviate shunk because of reflector plate caused by state the first reflecting part 12b and described the
Angle change is excessive between one fixed part 12a.Three are respectively set between laterally and longitudinally light emitting diode column in the present embodiment
Roulette 12f.
Embodiment 2
Referring to shown in Fig. 4 and Fig. 5,2 difference from Example 1 of embodiment is the first reflecting part 12b and institute
The structure for stating the second reflecting part 12c is different, and the structure of corresponding backboard is also different.
In example 2, the angle α between the first reflecting part 12b and the first fixed part 12a, when 90 ° < α <
135°；In order to enable the light that light source is reflected on the first reflecting part 12b cannot reach display area, utilized in the present embodiment
Second reflecting part 12c reflects the light on the first reflecting part 12b.Reach foregoing invention purpose, the second reflecting part and
It needs to meet certain relationship between one reflecting part.
As shown in fig. 6, when 90 ° < α < 135 °；Assuming that the light of light source is always incident to first reflecting part in the horizontal direction
On, the light after the reflection of the first reflecting part reaches display panel.If wishing the ray trapping that will be reflexed on display panel
Or reflect, then need the second reflecting part to need to reach at the light reflection.Assuming that the first reflecting part length is l, it is described aobvious
The distance for showing panel to first fixed part is H, by calculating the angle known between the second reflecting part and display panel:
θ=arctan (a/b)；
The then length of the second reflecting part:
Wherein, a=H-lsin α, b=H/tan2 α-lcos α；
That is, the angle between the second reflecting part and display panel needs to meet θ≤arctan (a/ when 90 ° < α < 135 °
B), andWhen, it equally can reach the object of the invention.Setting in this way, when the part that the light source issues
It will not be reflected on the display area 2a after in light projection to the first reflecting part 12b and the second reflecting part 12c, because
Without the phenomenon that there is black surround or corner blackening in the display platen edge.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (8)
1. a kind of down straight aphototropism mode set, including to the backboard of lower and upper setting, reflector plate, light source and display panel, feature
It is, the reflector plate includes:
The first fixed part being correspondingly arranged with the light source；
First fixed part, one side bending simultaneously extends to form the first reflecting part towards the display panel direction, and described first
The angle of reflecting part and first fixed part is α, α≤90 °；The length of first reflecting part is a, and the light source is high
Degree is B, and the relationship of first reflecting part and the light source meets asin α≤B；
First reflecting part end bends and extends to form the second reflecting part towards the display panel edge direction；Described
Two reflecting parts and its in the projection angle of horizontal plane be β, β≤90 °, the reflector plate further includes from second reflecting part
The second fixed part end bending and extended towards the display panel edge direction, second reflecting part pass through described second
Fixed part is connect with the display panel；
Wherein, second fixed part end projects to first fixed part in the plane where first fixed part
The distance of side is h；Projection of second fixed part end in the plane where first fixed part and the light source
The distance between be H；H/10≤h≤9H/10.
2. backlight module according to claim 1, which is characterized in that first reflecting part is equipped at least one the first and cuts out
The boundary line of tangent line, first reflecting part and second reflecting part is vertical with first cutting line.
3. backlight module according to claim 2, which is characterized in that second reflecting part is equipped at least one the second and cuts out
The boundary line of tangent line, first reflecting part and second reflecting part is vertical with second cutting line, and described first cuts
Line is coplanar with second cutting line.
4. backlight module according to claim 1, which is characterized in that the light source includes several groups light emitting diode battle array
Column.
5. backlight module according to claim 4, which is characterized in that first fixed part corresponds to described in two adjacent groups
Roulette is provided between light emitting diode matrix.
6. a kind of display device, including down straight aphototropism mode set, the down straight aphototropism mode set includes to the back of lower and upper setting
Plate, reflector plate, light source and display panel, which is characterized in that the reflector plate includes:
The first fixed part being correspondingly arranged with the light source；
First fixed part, one side bending simultaneously extends to form the first reflecting part towards the display panel direction, and described first
The angle of reflecting part and first fixed part is α, α≤90 °；The length of first reflecting part is a, and the light source is high
Degree is B, and the relationship of first reflecting part and the light source meets asin α≤B；
First reflecting part end bends and extends to form the second reflecting part towards the display panel edge direction；Described
Two reflecting parts and its in the projection angle of horizontal plane be β, β≤90 °, the reflector plate further includes from second reflecting part
The second fixed part end bending and extended towards the display panel edge direction, second reflecting part pass through described second
Fixed part is connect with the display panel；
Wherein, second fixed part end projects to first fixed part in the plane where first fixed part
The distance of side is h；Projection of second fixed part end in the plane where first fixed part and the light source
The distance between be H；H/10≤h≤9H/10.
7. display device according to claim 6, which is characterized in that first reflecting part is equipped at least one the first and cuts out
The boundary line of tangent line, first reflecting part and second reflecting part is vertical with first cutting line；
Second reflecting part is equipped at least one the second cutting lines, the boundary of first reflecting part and second reflecting part
Line is vertical with second cutting line, and first cutting line is coplanar with second cutting line.
8. display device according to claim 6, which is characterized in that the light source includes several groups light emitting diode battle array
Column；
First fixed part, which corresponds between light emitting diode matrix described in two adjacent groups, is provided with roulette.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510783798.6A CN105278163B (en) | 2015-11-16 | 2015-11-16 | A kind of down straight aphototropism mode set and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510783798.6A CN105278163B (en) | 2015-11-16 | 2015-11-16 | A kind of down straight aphototropism mode set and display device |
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| CN105278163A CN105278163A (en) | 2016-01-27 |
| CN105278163B true CN105278163B (en) | 2019-01-22 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6932910B2 (en) * | 2016-10-27 | 2021-09-08 | 船井電機株式会社 | Display device |
| TWI661250B (en) * | 2018-03-13 | 2019-06-01 | 友達光電股份有限公司 | Backlight module and display device |
| CN114764159A (en) | 2021-01-13 | 2022-07-19 | 高创(苏州)电子有限公司 | Reflector plate, preparation method thereof, backlight module and display device |
| CN115220258B (en) * | 2021-04-16 | 2024-04-23 | Oppo广东移动通信有限公司 | Backlight plate, backlight module and display device |
| CN115016167A (en) * | 2021-12-01 | 2022-09-06 | 荣耀终端有限公司 | Backlight module and display device |
| CN114740659B (en) * | 2022-05-26 | 2023-07-18 | 业成科技（成都）有限公司 | Backlight module, backlight module manufacturing method, head-up display and vehicle |
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|---|---|---|---|---|
| CN1881039A (en) * | 2005-06-15 | 2006-12-20 | Lg.菲利浦Lcd株式会社 | Backlight unit and LCD device using same |
| EP2924497A1 (en) * | 2014-03-28 | 2015-09-30 | Funai Electric Co., Ltd. | Reflective sheet for display device |
| CN204028521U (en) * | 2014-07-14 | 2014-12-17 | 京东方光科技有限公司 | Backlight and display device |
| CN105068320A (en) * | 2015-09-22 | 2015-11-18 | 深圳市华星光电技术有限公司 | Backlight module |
| CN105116610A (en) * | 2015-09-22 | 2015-12-02 | 深圳市华星光电技术有限公司 | Backlight module |
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| CN105278163A (en) | 2016-01-27 |
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