CN102384402A - Backlight module and display device with same - Google Patents
Backlight module and display device with same Download PDFInfo
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- CN102384402A CN102384402A CN2010102716412A CN201010271641A CN102384402A CN 102384402 A CN102384402 A CN 102384402A CN 2010102716412 A CN2010102716412 A CN 2010102716412A CN 201010271641 A CN201010271641 A CN 201010271641A CN 102384402 A CN102384402 A CN 102384402A
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Abstract
A backlight module comprises a light guide plate, at least one first light source and at least one second light source. At least one first light inlet surface and at least one second light inlet surface are alternatively distributed at a light inlet side of the light guide plate, and the first light inlet surface and the second light inlet surface form a separation angle. The first light source is arranged at the position adjacent with the first light inlet surface and the light beam emitted from the first light source is suitable for advancing towards the left half part of the light guide plate; the second light source is arranged at the position adjacent with the second light inlet surface and the light beam emitted from the second light source is suitable for advancing towards the right half part of the light guide plate, and the first light source and the second light source alternatively twinkle.
Description
Technical field
The present invention relates to a kind of backlight module and have the display unit at two kinds of different bright dippings visual angles.
Background technology
Figure 10 is a sketch map, shows the display unit of the prior art with two kinds of different bright dippings visual angles.Shown in figure 10, display unit 100 comprises LGP 102, right side light source 104, left side light source 106, prismatic lens 108 and display floater 110.Right side light source 104 and left side light source 106 are alternately lighted; And prismatic lens 108 will be from past respectively left side of the light beam of right side light source 104 and left side light source 106 and right side deviation, and two light that receive different rising angles respectively that make the observer are to produce stereoscopic visual effect.Yet; Bright dipping mode according to above-mentioned existing design; Need the arrange in pairs or groups V-groove micro-structural (not shown) of angulation continuous gradation of the bottom side of LGP 102 is made because of the micro-structural of angle continuous gradation and to be difficult for, and causes the higher and finished product yield of whole manufacturing cost to descend.On the other hand; Use single LGP 102 and use the design of Different Light 104,106 in both sides; When the micro-structural of adjusting a side when desire distributes with the control outgoing light homogeneity, the influence that causes in the time of must considering the unlatching of opposite side light source, so all have under the situation of light source in LGP 102 both sides; For making LGP 102 whole bright dippings even, need the distribution of restriction micro-structural thereby can't effectively improve light utilization efficiency.
Figure 11 is a sketch map, shows the display unit of another prior art with two kinds of different bright dippings visual angles.Shown in figure 11, display unit 200 comprises two LGPs 202,204, be arranged at the light source 206 of LGP 202 1 sides, be arranged at the light source 208 and the display floater 210 of LGP 204 1 sides.Light source 206 is lighted with light source 208 in turn, and the light beam that sends of light source 206 and light source 208 the light emitting structures 202a through LGP, 204a so can make two to receive different images to produce stereoscopic visual effect to two different directions outgoing respectively.Yet this existing design needs to use two LGPs 202,204, not only raises the cost and assembles comparatively time-consumingly, and the bright dipping kenel that is positioned at the LGP 204 of the below LGP 202 that receives the top easily disturbs and is difficult to control.
TaiWan, China patent publication No. 200615663 has disclosed a kind of light-emitting component that adopts light emitting diode, and United States Patent (USP) notification number 7528893 and U.S. Patent Publication 20060132673 have all disclosed a kind of display unit with backlight module.
Summary of the invention
The present invention provides a kind of display unit with two kinds of different bright dippings visual angles, and this display unit can provide two kinds of different pictures to view and admire to the user.Other purpose of the present invention and advantage can further be understood from the technical characterictic that the present invention disclosed.
For reaching one of above-mentioned or partly or entirely purpose or other purpose, one embodiment of the invention provide a kind of backlight module, comprise LGP, at least one first light source and at least one secondary light source.LGP has incident side, bottom side and bright dipping side, and bottom side and bright dipping side are oppositely arranged, incident side alternately distribute at least one first incidence surface and at least one second incidence surface, and first incidence surface and second incidence surface form angle.First light source is arranged at the light beam that the contiguous first incidence surface position and first light source send and is suitable for getting into LGP via first incidence surface.Secondary light source is arranged at the light beam that the contiguous second incidence surface position and secondary light source send and is suitable for getting into LGP via second incidence surface; The central shaft that wherein passes incident side central authorities is divided into the first half ones and the second half ones with LGP; The light beam that first light source sends is suitable for advancing towards the first half ones; The light beam that secondary light source sends is suitable for advancing towards the second half ones, and first light source and said secondary light source alternately flicker.
In one embodiment, the light-emitting area of first light source is parallel in fact with first incidence surface, and the light-emitting area of secondary light source is parallel in fact with second incidence surface.
In one embodiment, first incidence surface has the heeling condition of positive slope, and second incidence surface has the heeling condition of negative slope.
In one embodiment, the incident side of LGP also comprises the joint face that connects first incidence surface and second incidence surface, and the incline direction of the relative joint face of first incidence surface is different with the incline direction of the relative joint face of second incidence surface.
In one embodiment; Backlight module also can comprise light convergence structure; Light convergence structure is formed on the bottom side of LGP with convergence LGP lighting angle in vertical direction, and the leaded light micro-structural can be formed at least on one of them of first incidence surface and second incidence surface.
Another embodiment of the present invention provides a kind of display unit, comprises LGP, at least one first light source, at least one secondary light source, display floater and image light source driven in synchronism unit.LGP has incident side, bottom side and bright dipping side, and bottom side and bright dipping side are oppositely arranged, incident side alternately distribute at least one first incidence surface and at least one second incidence surface, and first incidence surface and second incidence surface form angle.First light source is arranged at the contiguous first incidence surface position, and the light-emitting area of first light source is parallel in fact with the left side in the beam direction space that first light source is sent with first incidence surface.Secondary light source is arranged at the contiguous first incidence surface position, and the light-emitting area of secondary light source is parallel in fact with the right side in the beam direction space that secondary light source is sent with second incidence surface, and first light source and secondary light source alternately flicker.Display floater is suitable for Alternation Display left side image and right side image, and image light source driven in synchronism unit is suitable for when opening first light source and closing secondary light source, showing the left side image, and is suitable for when opening secondary light source and closing first light source, showing the right side image.
In one embodiment, the observer that the left side image offers said left side watches, and another observer that the right side image offers the right side watches.
In one embodiment, same observer's left eye and right eye are watched right side image and left side image respectively.
In sum, the backlight module of the embodiment of the invention and display unit have following one of them advantage at least:
Design through the foregoing description; The incidence surface that has different heeling conditions because of LGP; And collocation has a plurality of light sources of the light-emitting area of different heeling conditions; So can obtain the effect at different bright dippings visual angle, let the observer of the left and right sides see separately image, or let single observer produce stereoscopic visual effect.Compare with existing design, the angle continuous gradation micro-structural that the foregoing description only uses single LGP and need not be difficult for making is so can significantly reduce manufacturing cost and improve the finished product yield.On the other hand, because of each light source only is distributed in a side of LGP, thus control the bright dipping kenel and the whole outgoing light homogeneity of LGP easily, and can effectively improve light utilization efficiency.
Other purpose of the present invention and advantage can further be understood from the technical characterictic that the present invention disclosed.For let the present invention above-mentioned with other purpose, feature and advantage can be more obviously understandable, special embodiment and the conjunction with figs. of lifting of hereinafter elaborates as follows.
Description of drawings
Fig. 1 is the sketch map of display unit according to an embodiment of the invention;
Fig. 2 is the schematic top plan view of backlight module according to an embodiment of the invention;
Fig. 3 and Fig. 4 are the sketch map of the bright dipping kenel of the backlight module of explanation one embodiment of the invention;
Fig. 5 shows the simulation result at bright dipping visual angle of the display unit of one embodiment of the invention;
Fig. 6 is the sketch map of defined horizontal direction of benchmark and vertical direction for explanation with observer;
Fig. 7 is the sketch map of light convergence structure according to an embodiment of the invention;
Fig. 8 is the schematic top plan view of backlight module according to another embodiment of the present invention;
Fig. 9 is the schematic top plan view according to the backlight module of another embodiment of the present invention;
Figure 10 is a sketch map, shows the display unit of the prior art with two kinds of different bright dippings visual angles; And
Figure 11 is a sketch map, shows the display unit of another prior art with two kinds of different bright dippings visual angles.
[main element symbol description]
10 display unit
12 backlight modules
14 display floaters
16 image light source driven in synchronism unit
18 image sources
22 LGPs
24 first light sources
The 24a first light source luminescent face
26 secondary light sources
26a secondary light source light-emitting area
32 incident side
32a first incidence surface
32b second incidence surface
The 32c joint face
34 bottom sides
36 bright dipping sides
42 V-grooves
44 prismatic lenses
46 leaded light micro-structurals
48 observers
100 display unit
102 LGPs
104 right side light sources
106 left side light sources
108 prismatic lenses
110 display floaters
200 display unit
202,204 LGPs
202a, 204a light emitting structures
206,208 light sources
210 display floaters
P, Q central shaft
α, θ 1, θ 2 angles
The HA horizontal direction
The VA vertical direction
The specific embodiment
Aforementioned and other technology contents, characteristics and effect about the present invention in the detailed description of following cooperation with reference to the embodiment of accompanying drawing, can clearly appear.The direction term of being mentioned in following examples, for example: upper and lower, left and right, front or rear etc. only are the directions with reference to accompanying drawing.Therefore, the direction term of use be used for the explanation but not be used for limiting the present invention.
Fig. 1 is the sketch map according to the display unit of one embodiment of the invention.As shown in Figure 1, display unit 10 comprises backlight module 12, display floater 14 and image light source driven in synchronism unit 16.Fig. 2 is the schematic top plan view of backlight module 12 according to an embodiment of the invention.With reference to figure 1 and Fig. 2, backlight module 12 comprises LGP 22, at least one first light source 24 and at least one secondary light source 26 simultaneously.LGP 22 has incident side 32, bottom side 34 and bright dipping side 36, and bottom side 34 and bright dipping side 36 are oppositely arranged.Incident side 32 alternately distribute at least one first incidence surface 32a and at least one second incidence surface 32b, and the first incidence surface 32a and the second incidence surface 32b form angle.First light source 24 is arranged at the contiguous first incidence surface 32a position; And the light beam that first light source 24 sends is suitable for getting into LGP 22 via the first incidence surface 32a, and secondary light source 26 is arranged at the light beam that the contiguous second incidence surface 32b position and secondary light source 26 send and is suitable for getting into LGP 22 via the second incidence surface 32b.In the present embodiment, the light-emitting area 24a of first light source 24 is parallel in fact with the first incidence surface 32a, and the light-emitting area 26a of secondary light source 26 is parallel in fact with the second incidence surface 32b.
In addition, in the present embodiment, the incident side 32 of LGP 22 also can comprise the joint face 32c that connects the first incidence surface 32a and the second incidence surface 32b.In one embodiment, the first incidence surface 32a and the second incidence surface 32b can pass the central central shaft P of joint face 32c symmetry in fact relatively.In one embodiment; The incline direction of the relative joint face 32c of the first incidence surface 32a is different with the incline direction of the relative joint face 32c of the second incidence surface 32b; For example the first incidence surface 32a can have the heeling condition of positive slope, and the second incidence surface 32b can have the heeling condition of negative slope.Therefore, the light-emitting area 24a of first light source 24 can relatively have the heeling condition of positive slope, and the light-emitting area 26a of secondary light source 26 can relatively have the heeling condition of negative slope.In addition, above-mentioned first light source 24 and secondary light source 26 for example can be light emitting diode.
Note that in this specification and the claims of enclosing " left side " reaches " right side " term and only represent two relative bearings and unrestricted the present invention in the space.For example; As shown in Figure 3; The central shaft Q that passes incident side 32 central authorities divides into left side and right-hand part with LGP 22; Can propagate toward the left side in the space after the light beam outgoing of advancing towards LGP 22 left sides, and as shown in Figure 4, can propagate toward the right side in the space after the light beam outgoing of advancing towards LGP 22 right-hand parts.In the present embodiment, first light source 24 is designed to alternately flicker with secondary light source 26.As shown in Figure 3, when point first very first time light source 24 open and secondary light source 26 is closed, this moment LGP 22 light beam that first light source 24 sends that only distributes; And the light beam that first light source 24 sends is advanced towards the left side of LGP 22; As shown in Figure 4, when next time point, first light source 24 is closed and secondary light source 26 is opened; This moment LGP 22 light beam that secondary light source 26 sends that only distributes, and the light beam that secondary light source 26 sends is advanced towards the right-hand part of LGP 22.Therefore, left side in the space and right side respectively have under observer's situation, when putting in the very first time; Image light source driven in synchronism unit 16 can make image source 18 that image A is provided and open first light source 24 simultaneously and close secondary light source 26; This moment, the observer in left side can see image A, and then when next time point, image light source driven in synchronism unit 16 can make image source 18 that image B is provided and close first light source 24 simultaneously and open secondary light source 26; This moment, the observer on right side can see image B; Like this display floater 14 show image A and image B in turn incessantly is because people's eyes have the persistence of vision, so the observer in left side can see the image A of continuous pictures; And the observer on right side can see the image B of continuous pictures, and meaning is that the observer of the left and right sides can see image separately.On the other hand; To single observer; When putting in the very first time; Image light source driven in synchronism unit 16 can make image source 18 that left-eye images is provided and open first light source 24 simultaneously and close secondary light source 26, and then when next time point, image light source driven in synchronism unit 16 can make image source 18 that right-eye image is provided and close first light source 24 simultaneously and open secondary light source 26; So display floater 14 shows left-eye images and right-eye image incessantly in turn, can produce stereoscopic visual effect.
Fig. 5 shows the simulation result at bright dipping visual angle of the display unit of one embodiment of the invention; Show when the light-emitting area 24a of first light source 24 and angle theta 1=45 ° of vertical direction; And when the light-emitting area 26a of secondary light source 26 and the angle theta 2=45 of vertical direction ° (angle theta 1, θ 2 mark in Fig. 3); Two different bright dipping angulars field of view that backlight module 12 produces; Wherein the longitudinal axis is represented luminous intensity (cd), and transverse axis is represented rising angle, and solid line is represented rising angle and the distribution of light intensity of first light source 24 and rising angle and the distribution of light intensity that dotted line is represented secondary light source 26.In addition; In one embodiment; The light-emitting area 24a of first light source 24 and the angular range of vertical direction can be 1≤60 ° of 20 °≤θ; The light-emitting area 26a of secondary light source 26 and the angular range of vertical direction can be 2≤60 ° of 20 °≤θ, and angle theta 1, θ 2 can not limit according to the actual demand design certainly.
As shown in Figure 6; With observer 48 is that benchmark can define horizontal direction HA and vertical direction VA on LGP 22 or display floater 14; The orientation that light source 24,26 is arranged in LGP 22 incident side is parallel, horizontal direction HA in fact, and the LGP central shaft Q of Fig. 3 parallel vertical direction VA in fact.Because of above-mentioned each embodiment design makes the light direction of first light source 24 and secondary light source 26 be partial to left side and right side respectively; That is HA need have two independences and different rising angles to distribute in the horizontal direction; The former micro-structural that is formed on the LGP 22 can not be crossed by force for the light deflection effect on the horizontal direction HA and invent effect to avoid weakening, but can restrain the control of the rising angle of vertical direction VA to vertical direction VA.Therefore; As shown in Figure 7; Can form the light convergence structure of the lighting angle on the convergence vertical direction VA on the bottom side 34 of LGP 22, and light convergence structure example is as can be V-groove 42, the long axis direction of V-groove 42 is the orientation of source of parallel light 24,26 (bearing of trend of incident side) in fact; V-groove 42 can effectively be restrained the lighting angle of vertical direction VA, and arranging in pairs or groups the prismatic lens 44 that is arranged at contiguous LGP bright dipping side 36 again can be with the high angle scattered light deviation to positive view directions.Certainly, above-mentioned light convergence structure does not limit V-groove 42, only is required to be the distribution of light independence (can obviously not restrain the lighting angle of horizontal direction HA) that can effectively restrain the lighting angle on the vertical direction VA but keep horizontal direction and gets final product.
In addition, the profile of the first incidence surface 32a and the second incidence surface 32b does not limit, and for example can be plane (as shown in Figure 2), curved surface (as shown in Figure 8) or part plane and all can with the combination that part is distinguished face.In addition, as shown in Figure 9, also can form leaded light micro-structural 46 on the first incidence surface 32a or the second incidence surface 32b and go into optical uniformity to improve.
In sum, the backlight module of the embodiment of the invention and display unit have following one of them advantage at least:
Through the design of the foregoing description, the incidence surface that has different heeling conditions because of LGP, and collocation has a plurality of light sources of the light-emitting area of different heeling conditions,
So can obtain the effect at different bright dippings visual angle, let the observer of the left and right sides see separately image, or let single observer produce stereoscopic visual effect.Compare with existing design, the angle continuous gradation micro-structural that the foregoing description only uses single LGP and need not be difficult for making is so can significantly reduce manufacturing cost and improve the finished product yield.On the other hand, because of each light source only is distributed in a side of LGP, thus control the bright dipping kenel and the whole outgoing light homogeneity of LGP easily, and can effectively improve light utilization efficiency.
The above is merely the preferred embodiments of the present invention, can not limit the scope that the present invention implements with this, and promptly the simple equivalent done of with good grounds claim of the present invention of institute and summary of the invention changes and revises, and all still belongs in the scope of patent covering of the present invention.Arbitrary embodiment of the present invention in addition or claim must not reached whole purposes or advantage or the characteristics that the present invention discloses.In addition, summary and denomination of invention only are to be used for auxiliary patent document retrieval, are not to be used for limiting interest field of the present invention.
Claims (20)
1. backlight module comprises:
LGP; Have incident side, bottom side and bright dipping side; Said bottom side and said bright dipping side are oppositely arranged, said incident side alternately distribute at least one first incidence surface and at least one second incidence surface, and said first incidence surface and said second incidence surface form angle;
At least one first light source is arranged at the light beam that contiguous said first incidence surface position and said first light source send and is suitable for getting into said LGP via said first incidence surface; And
At least one secondary light source is arranged at the light beam that contiguous said second incidence surface position and said secondary light source send and is suitable for getting into said LGP via said second incidence surface;
The central shaft that wherein passes said incident side central authorities is divided into the first half ones and the second half ones with said LGP; The light beam that said first light source sends is suitable for advancing towards said the first half ones; The light beam that said secondary light source sends is suitable for advancing towards said the second half ones, and said first light source and said secondary light source alternately flicker.
2. backlight module as claimed in claim 1, the light-emitting area of wherein said first light source is parallel in fact with said first incidence surface, and the light-emitting area of said secondary light source is parallel in fact with said second incidence surface.
3. backlight module as claimed in claim 1, wherein said first incidence surface has the heeling condition of positive slope, and said second incidence surface has the heeling condition of negative slope.
4. backlight module as claimed in claim 1, the light-emitting area of wherein said first light source has the heeling condition of positive slope, and the light-emitting area of said secondary light source has the heeling condition of negative slope.
5. backlight module as claimed in claim 1, wherein said first incidence surface comprise plane and curved surface at least one of them, and said second incidence surface comprise plane and curved surface at least one of them.
6. backlight module as claimed in claim 1; Wherein said incident side also comprises the joint face that connects said first incidence surface and said second incidence surface, and the incline direction of the said relatively joint face of said first incidence surface is different with the incline direction of the said relatively joint face of said second incidence surface.
7. backlight module as claimed in claim 6, wherein said first incidence surface and said second incidence surface pass the central central shaft of said joint face symmetry in fact relatively.
8. backlight module as claimed in claim 1 also comprises:
Light convergence structure is formed on the said bottom side of said LGP to restrain said LGP lighting angle in vertical direction, the parallel in fact said central shaft of wherein said vertical direction.
9. backlight module as claimed in claim 8, wherein said light convergence structure is a V-groove.
10. backlight module as claimed in claim 1 also comprises:
The leaded light micro-structural is formed at least on one of them of said first incidence surface and said second incidence surface.
11. a display unit comprises:
LGP; Have incident side, bottom side and bright dipping side; Said bottom side and said bright dipping side are oppositely arranged, said incident side alternately distribute at least one first incidence surface and at least one second incidence surface, and said first incidence surface and said second incidence surface form angle;
At least one first light source; Be arranged at the light beam that contiguous said first incidence surface position and said first light source send and be suitable for getting into said LGP via said first incidence surface, the light-emitting area of wherein said first light source is parallel in fact with the left side in the beam direction space that said first light source is sent with said first incidence surface;
At least one secondary light source; Being arranged at the light beam that contiguous said second incidence surface position and said secondary light source send is suitable for getting into said LGP via said second incidence surface; The light-emitting area of wherein said secondary light source is parallel in fact with the right side in the beam direction space that said secondary light source is sent with said second incidence surface, and said first light source and said secondary light source alternately flicker;
Display floater is suitable for Alternation Display left side image and right side image; And
Image light source driven in synchronism unit is suitable for when opening said first light source and closing said secondary light source, showing said left side image, and is suitable for when opening said secondary light source and close said first light source, showing said right side image.
12. display unit as claimed in claim 11, the observer that wherein said left side image offers said left side watches, and another observer that said right side image offers said right side watches.
13. display unit as claimed in claim 11, wherein same observer's left eye and right eye are watched said right side image and said left side image respectively.
14. display unit as claimed in claim 11, the said light-emitting area of wherein said first light source has the heeling condition of positive slope, and the said light-emitting area of said secondary light source has the heeling condition of negative slope.
15. display unit as claimed in claim 11, wherein said first incidence surface comprise plane and curved surface at least one of them, and said second incidence surface comprise plane and curved surface at least one of them.
16. display unit as claimed in claim 11; Wherein said incident side also comprises the joint face that connects said first incidence surface and said second incidence surface, and the incline direction of the said relatively joint face of said first incidence surface is different with the incline direction of the said relatively joint face of said second incidence surface.
17. display unit as claimed in claim 11 also comprises:
Light convergence structure is formed on the said bottom side of said LGP to restrain said LGP lighting angle in vertical direction.
18. display unit as claimed in claim 17, wherein said light convergence structure is a V-groove.
19. display unit as claimed in claim 11 also comprises:
The leaded light micro-structural is formed at least on one of them of said first incidence surface and said second incidence surface.
20. display unit as claimed in claim 11, wherein said first light source and said secondary light source are respectively a light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102716412A CN102384402A (en) | 2010-08-31 | 2010-08-31 | Backlight module and display device with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102716412A CN102384402A (en) | 2010-08-31 | 2010-08-31 | Backlight module and display device with same |
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| CN102384402A true CN102384402A (en) | 2012-03-21 |
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| CN2010102716412A Pending CN102384402A (en) | 2010-08-31 | 2010-08-31 | Backlight module and display device with same |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102818197A (en) * | 2012-08-28 | 2012-12-12 | 京东方科技集团股份有限公司 | Back light unit and display device comprising same |
| CN103574401A (en) * | 2012-08-07 | 2014-02-12 | 三星显示有限公司 | Backlight device and liquid display device including same |
| CN104240617A (en) * | 2013-06-14 | 2014-12-24 | 绿光创新公司 | Illuminated display board having an angled light source |
| WO2016138699A1 (en) * | 2015-03-02 | 2016-09-09 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device having same |
| CN106462004A (en) * | 2014-05-30 | 2017-02-22 | 3M创新有限公司 | Temporally multiplexing backlight with asymmetric turning film |
| CN109429059A (en) * | 2017-06-28 | 2019-03-05 | 上海与德科技有限公司 | A kind of naked eye 3D display screen and display device |
| CN109429058A (en) * | 2017-06-28 | 2019-03-05 | 上海与德科技有限公司 | A kind of display screen and display device |
| CN110726095A (en) * | 2019-10-18 | 2020-01-24 | 上海智光慧芯照明科技有限公司 | LED illumination lamp and street lamp |
| CN114624811A (en) * | 2022-05-17 | 2022-06-14 | 深圳市北泰显示技术有限公司 | Production method of display screen backlight module |
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| JP2006184506A (en) * | 2004-12-27 | 2006-07-13 | Casio Comput Co Ltd | Liquid crystal display apparatus |
| CN101809482A (en) * | 2007-10-04 | 2010-08-18 | 3M创新有限公司 | The stretched film that is used for stereoscopic 3 d display |
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| JP2006184506A (en) * | 2004-12-27 | 2006-07-13 | Casio Comput Co Ltd | Liquid crystal display apparatus |
| CN101809482A (en) * | 2007-10-04 | 2010-08-18 | 3M创新有限公司 | The stretched film that is used for stereoscopic 3 d display |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574401A (en) * | 2012-08-07 | 2014-02-12 | 三星显示有限公司 | Backlight device and liquid display device including same |
| CN102818197A (en) * | 2012-08-28 | 2012-12-12 | 京东方科技集团股份有限公司 | Back light unit and display device comprising same |
| CN104240617A (en) * | 2013-06-14 | 2014-12-24 | 绿光创新公司 | Illuminated display board having an angled light source |
| CN104240617B (en) * | 2013-06-14 | 2019-02-12 | 绿光创新公司 | Illumination display board with inclination light source |
| CN106462004A (en) * | 2014-05-30 | 2017-02-22 | 3M创新有限公司 | Temporally multiplexing backlight with asymmetric turning film |
| CN106462004B (en) * | 2014-05-30 | 2019-08-30 | 3M创新有限公司 | Time multiplexing backlight with asymmetric turning film |
| WO2016138699A1 (en) * | 2015-03-02 | 2016-09-09 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device having same |
| CN109429059A (en) * | 2017-06-28 | 2019-03-05 | 上海与德科技有限公司 | A kind of naked eye 3D display screen and display device |
| CN109429058A (en) * | 2017-06-28 | 2019-03-05 | 上海与德科技有限公司 | A kind of display screen and display device |
| CN110726095A (en) * | 2019-10-18 | 2020-01-24 | 上海智光慧芯照明科技有限公司 | LED illumination lamp and street lamp |
| CN114624811A (en) * | 2022-05-17 | 2022-06-14 | 深圳市北泰显示技术有限公司 | Production method of display screen backlight module |
| CN114624811B (en) * | 2022-05-17 | 2022-08-16 | 深圳市北泰显示技术有限公司 | Production method of display screen backlight module |
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Application publication date: 20120321 |