CN102352982A - Side light type backlight module - Google Patents
Side light type backlight module Download PDFInfo
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- CN102352982A CN102352982A CN2011102170183A CN201110217018A CN102352982A CN 102352982 A CN102352982 A CN 102352982A CN 2011102170183 A CN2011102170183 A CN 2011102170183A CN 201110217018 A CN201110217018 A CN 201110217018A CN 102352982 A CN102352982 A CN 102352982A
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- 230000001154 acute effect Effects 0.000 claims abstract description 14
- 238000009792 diffusion process Methods 0.000 claims description 29
- 239000002245 particle Substances 0.000 claims description 14
- 230000000007 visual effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010049155 Visual brightness Diseases 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The invention discloses a side-light type backlight module, which comprises a light guide plate, a light source, a first prism sheet and a second prism sheet. The light guide plate is provided with at least one light incident surface and a light emergent surface. The light source is arranged on the light incident surface of the light guide plate and is used for emitting light rays towards the light guide plate along a first direction. The first prism sheet is arranged on the light-emitting surface of the light guide plate, and comprises a plurality of first prism structures which are parallel to each other and are arranged along a second direction which is substantially perpendicular to the first direction, and each first prism structure is provided with a first vertex angle which is an acute angle. The second prism sheet is arranged on the light-emitting surface of the light guide plate, and comprises a plurality of second prism structures which are parallel to each other and are arranged along the first direction, each second prism structure has a second vertex angle, and the second vertex angle is larger than or equal to the first vertex angle.
Description
Technical field
The present invention relates to a kind of side light type back light module, relate in particular to a kind of side light type back light module that has no diffusion sheet design and have preferable outgoing light homogeneity.
Background technology
Therefore display panels needs to arrange in pairs or groups and uses the backlight module that light source can be provided with the performance display effect owing to be non-emissive type display floater.Generally speaking, backlight module can be divided into direct type backlight module (direct lighting backlight module) and side light type back light module (edge lighting backlight module) according to the relative position of light source.Existing backlight module all can be provided with a slice diffusion sheet and prismatic lens at least, and wherein diffusion sheet is used for making the light diffusion that is provided by light source, and to promote outgoing light homogeneity, prismatic lens then is used for making the light that is penetrated by diffusion sheet to concentrate and the lifting light utilization efficiency.Can make the integral thickness of backlight module and cost increase yet set up diffusion sheet, and can cause the extra consume of light, and must promote the brightness of light source.Thus, will make the power consumption of backlight module increase, and do not meet the trend of present carbon reduction.In addition; Because the drift angle of the prism structure of the prismatic lens of existing backlight module is right angle or obtuse angle; To make the bright dipping distribution of backlight module produce offset problem if omitted diffusion sheet; That is to say; Existing backlight module is not having under the situation of diffusion sheet; Its high-high brightness can not appear on the positive angle, but can appear on the stravismus angle, will cause display effect not good thus.
Summary of the invention
One of the object of the invention is to provide a kind of side light type back light module that does not need diffusion sheet, with the cost of manufacture and the module thickness of minimizing side light type back light module, and increases light utilization efficiency.
A preferred embodiment of the present invention provides a kind of side light type back light module, comprises a LGP, a light source, one first prismatic lens and one second prismatic lens.LGP has an at least one incidence surface and an exiting surface.Light source is arranged at the incidence surface of LGP, is used for launching light along a first direction towards LGP substantially.First prismatic lens is arranged on the exiting surface of LGP; First prismatic lens comprises that many first prism structures are parallel to each other and arranges along the second direction perpendicular to first direction substantially; Each first prism structure has one first drift angle, and first drift angle is an acute angle.Second prismatic lens is arranged on the exiting surface of LGP, and second prismatic lens comprises that many second prism structures are parallel to each other and arrange along first direction substantially that each second prism structure has one second drift angle, and second drift angle is more than or equal to first drift angle.
Wherein, this first drift angle is substantially between 40 degree to 80 degree.
Wherein, this first drift angle is substantially between 50 degree to 70 degree.
Wherein, this first prismatic lens is arranged between this LGP and this second prismatic lens.
Wherein, this second prismatic lens is arranged between this LGP and this first prismatic lens.
Wherein, a refractive index of this first prismatic lens is substantially between 1.52 to 1.6.
Wherein, a refractive index of this second prismatic lens is substantially between 1.52 to 1.6.
Wherein, more comprise a plurality of first diffusion particles, be formed on a lower surface of this first prismatic lens.
Wherein, more comprise a plurality of first diffusion particles, intersperse among within this first prismatic lens.
Wherein, more comprise a plurality of second diffusion particles, be formed on a lower surface of this second prismatic lens.
Wherein, more comprise a plurality of second diffusion particles, intersperse among within this second prismatic lens.
Another preferred embodiment of the present invention provides a kind of side light type back light module, comprises a LGP, a light source, one first prismatic lens and one second prismatic lens.LGP has an incidence surface and an exiting surface, and incidence surface links to each other with exiting surface.Light source is arranged at incidence surface.First prismatic lens is arranged on the exiting surface, and first prismatic lens has many first prism structures, and each first prism structure has one first drift angle, and wherein a bearing of trend of each first prism structure is parallel to incidence surface substantially, and first drift angle is an acute angle.Second prismatic lens is arranged on the exiting surface, and second prismatic lens has many second prism structures, and each second prism structure has one second drift angle, and second drift angle is more than or equal to first drift angle.
Side light type back light module of the present invention be not provided with under the situation of diffusion sheet; First drift angle that will extend in parallel first prism structure of setting with the incidence surface of LGP is controlled in the scope of acute angle; The angle of the light that can effectively control side light type back light module and sent can make the brightness peak of light be adjusted to positive apparent direction whereby.Therefore, do not using under the situation of diffusion sheet, side light type back light module of the present invention can reduce cost of manufacture, module thickness and optics consume, but still can keep good outgoing light homogeneity.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 to Fig. 3 has illustrated the sketch map of the side light type back light module of first preferred embodiment of the present invention.
Fig. 4 A to Fig. 4 C is the mimetic diagram of the Luminance Distribution of side light type back light module of the present invention.
Fig. 5 to Fig. 7 has illustrated the sketch map of the side light type back light module of second preferred embodiment of the present invention.
Fig. 8 and Fig. 9 have illustrated the sketch map of the side light type back light module of the 3rd preferred embodiment of the present invention.
Figure 10 has illustrated the sketch map of the side light type back light module of the 4th preferred embodiment of the present invention.
Figure 11 has illustrated the sketch map of the side light type back light module of the 5th preferred embodiment of the present invention.
Wherein, Reference numeral:
The specific embodiment
For making those skilled in the art can further understand the present invention, hereinafter the spy enumerates preferred embodiment of the present invention, and cooperate appended graphic, describe in detail constitution content of the present invention and the effect desiring to reach.
Please refer to Fig. 1 to Fig. 3.Fig. 1 to Fig. 3 has illustrated the sketch map of the side light type back light module of first preferred embodiment of the present invention; Wherein Fig. 1 has illustrated the decomposing schematic representation of the side light type back light module of present embodiment; Fig. 2 has illustrated the generalized section that the side light type back light module of Fig. 1 illustrates along first direction, and Fig. 3 has illustrated the generalized section that the side light type back light module of Fig. 1 illustrates along second direction.To shown in Figure 3, the side light type back light module 10 of present embodiment comprises a LGP 12, at least one light source 14, a reflecting plate 15, one first prismatic lens 16 and one second prismatic lens 18 like Fig. 1.LGP 12 has an at least one incidence surface 12A and an exiting surface 12B.The incidence surface 12A of LGP 12 links to each other with exiting surface 12B, and for example incidence surface 12A is at least one side of LGP 12, and exiting surface 12B is the end face of LGP 12, but not as limit.Light source 14 is arranged at the incidence surface 12A of LGP 12, be used for towards the incidence surface 12A of LGP 12 emission light L, and LGP 12 can lead the light source L of light source 14 emissions and penetrated by exiting surface 12B.Light source 14 can be a for example striation (light bar), and it is provided with for example light emitting diode (LED) element of at least one light-emitting component 14L, but not as limit.For example, light source 14 also can be a fluorescent tube, for example a cathode fluorescent tube (CCFL).Reflecting plate 15 is arranged at the bottom (with respect to the opposite side of exiting surface 12B) of LGP 12, in order to the inside of the light L reflected back LGP 12 of the bottom surface that will penetrate LGP 12, to increase light utilization efficiency.First prismatic lens 16 is arranged on the exiting surface 14B of LGP 14.First prismatic lens 16 comprises that many first prism structure 16P are parallel to each other substantially and arranges along the second direction D2 perpendicular to first direction D1.That is to say that the bearing of trend of the first prism structure 16P is parallel to the incidence surface 12A of LGP 12 substantially.Each first prism structure 16P has one first apex 1, and first apex 1 is an acute angle, that is first apex 1 be the angle of spending less than 90.For example, first apex 1 is substantially between 40 degree to 80 degree, and is and preferable substantially between 50 degree to 70 degree, but not can be other acute angle as limit.In addition, first apex 1 of the first prism structure 16P is towards the light direction of side light type back light module 10.In the present embodiment, the section of each first prism structure 16P is an isoceles triangle shape, but not as limit.Second prismatic lens 18 is arranged on the exiting surface 14B of LGP 14.Second prismatic lens 18 comprises that many second prism structure 18P are parallel to each other substantially and arranges along first direction D1, but not as limit.For example, the second prism structure 18P also can arrange along other direction that is not parallel to second direction D2.Each second prism structure 18P has one second apex 2, and second apex 2 is more than or equal to first apex 1.Change speech, first apex 1 of the first prism structure 16P is acute angle, but 2 of second apex of the second prism structure 18P can design difference and be acute angle, right angle or obtuse angle.The section of the second prism structure 18P is an isoceles triangle shape, but not as limit.Second apex 2 of the second prism structure 18P is towards the light direction of side light type back light module 10.
In addition; Because light source 14 is towards the incidence surface 12A of LGP 12 emission light L; So the light that light source 14 is launched is injected LGP 12 along first direction D1 substantially; Though the light L that light source 14 is launched still possibly have certain dispersion angle, the light that macroscopic light source 14 is launched still can be considered along first direction D1 injects LGP 12.Because the light source 14 of the side light type back light module 10 of present embodiment is arranged at the side of LGP 12, so LGP 12 and can't fully the light L towards first direction D1 emission being directed to towards positive apparent direction advances.Under this situation; Because the first prism structure 16P of first prismatic lens 16 arranges along the second direction D2 perpendicular to first direction D1; Also promptly the bearing of trend of the first prism structure 16P is parallel with the incidence surface 12A of LGP 12; Therefore; The light L that injects first prismatic lens 16 can be concentrated on first direction D1; In addition; Because first apex 1 of the first prism structure 16P is an acute angle; Therefore can effectively strengthen the localization effects of light L, and make the light L that penetrates the first prism structure 16P be able to advance towards positive apparent direction.Other direction; Because the second prism structure 18P of second prismatic lens 18 arranges along first direction D1; Therefore also the light L that injects second prismatic lens 18 can be concentrated on second direction D2; And because light L is originally more not obvious in dispersing of second direction D2, therefore second apex 2 of the second prism structure 18P can be more than or equal to first apex 1 of the first prism structure 16P.In the present embodiment, first prismatic lens 16 is arranged between the LGP 12 and second prismatic lens 18, but the relative position of first prismatic lens 16 and second prismatic lens 18 is not as limit.
In addition, the refractive index of first prismatic lens 16 is preferable substantially between 1.52 to 1.6, and the refractive index of second prismatic lens is preferable substantially also between 1.52 to 1.6, but not as limit.In the present embodiment; When second apex 2 of the refractive index of setting first apex 1 of the refractive index of first prismatic lens 16, the first prism structure 16P, second prismatic lens 18 and the second prism structure 18P, should consider the factors such as visual angle specification, brightness specifications, technology yield and cost of manufacture of display panels.For example; Has bigger refractive index if set first prismatic lens 16; The preferable first prism structure 16P that sets has the first bigger apex 1, and has bigger refractive index if set second prismatic lens 18, and the then preferable second prism structure 18P that sets has the second bigger apex 2; Anti-; Has less refractive index if set first prismatic lens 16; The then preferable first prism structure 16P that sets has the first less apex 1; And has less refractive index if set second prismatic lens 18; Then can set the second prism structure 18P and have the second less apex 2, but not as limit.Make the first bigger apex 1 and in technology, have preferable technology yield with the second bigger apex 2; Otherwise, make 2 of less first apex 1 and less second apex and have the advantage that reduces cost because the material use amount is less.In addition, the relation of the refractive index of first prismatic lens 16 and second prismatic lens 18 then can have influence on brightness and visual angle.For example, if setting first prismatic lens 16 and second prismatic lens 18 all have close and bigger refractive index, for example both refractive indexes all are about 1.6, and then side light type back light module 10 can provide the light of higher brightness; If set first prismatic lens 16 and second prismatic lens 18 bigger refractive index and less refractive index are arranged respectively; For example the refractive index of first prismatic lens 16 is about 1.6; And the refractive index of second prismatic lens 18 is about 1.52; Then side light type back light module 10 can provide brightness the lower but wider light that distributes, and can increase the visual angle of display panels; All have close and less refractive index if set first prismatic lens 16 and second prismatic lens 18, for example both refractive indexes all are about 1.52, and then side light type back light module 10 can provide distribution wider light, and can more increase the visual angle of display panels.In other words; First apex 1 at the first prism structure 16P is an acute angle; And under the prerequisite of second apex 2 greater than first apex 1 of the first prism structure 16P of the second prism structure 18P, suitable collocation is done in the considerations such as the visual brightness specifications of selection, visual angle specification, technology yield and cost of manufacture of first apex 1 of the refractive index of first prismatic lens 16 and second prismatic lens 18, the first prism structure 16P and second apex 2 of the second prism structure 18P.
Please refer to Fig. 4 A, Fig. 4 B and Fig. 4 C.Fig. 4 A to Fig. 4 C has simulated respectively in second apex 2 that the diffusion sheet and the second prism structure 18P are not set and has been fixed as under the prerequisites of 90 degree, and first apex 1 of the first prism structure 16P is respectively the Luminance Distribution of 70 degree, 60 degree and the side light type back light module of 50 present embodiments when spending.Shown in Fig. 4 A, be that first apex 1 of 90 degree and the first prism structure 16P is under the situations of 70 degree in second apex 2 of the second prism structure 18P, the brightness peak of the light that side light type back light module sent appears at the visual angle and is about 12.3 when spending.Shown in Fig. 4 B, be that first apex 1 of 90 degree and the first prism structure 16P is contracted under the situations of 60 degree in second apex 2 of the second prism structure 18P, the brightness peak of the light that side light type back light module sent appears at the visual angle and is about 6.1 when spending.Shown in Fig. 4 C; In second apex 2 of the second prism structure 18P is that first apex 1 of 90 degree and the first prism structure 16P is contracted under the situations of 50 degree; The brightness peak of the light that side light type back light module sent appears at the visual angle and is about 0 when spending, also promptly when positive angle.Analog result by Fig. 4 A to Fig. 4 C can be known; Be not provided with under the situation of diffusion sheet; First apex 1 of the first prism structure 16P is controlled in the scope of acute angle, the angle of the light that can effectively control side light type back light module really and sent, positive apparent direction whereby leads light.
Side light type back light module of the present invention does not exceed with the foregoing description.Hereinafter will introduce the side light type back light module of other preferred embodiment of the present invention in regular turn; And for the ease of comparing different place and the simplified illustration of each embodiment; Use identical symbol mark components identical among each embodiment hereinafter; And the different place that is primarily aimed at each embodiment describes, and no longer repeating part is given unnecessary details.
Please refer to Fig. 5 to Fig. 7.Fig. 5 to Fig. 7 has illustrated the sketch map of the side light type back light module of second preferred embodiment of the present invention; Wherein Fig. 5 has illustrated the decomposing schematic representation of the side light type back light module of present embodiment; Fig. 6 has illustrated the generalized section that the side light type back light module of Fig. 5 illustrates along first direction, and Fig. 7 has illustrated the generalized section that the side light type back light module of Fig. 5 illustrates along second direction.To shown in Figure 7, be different from previous embodiment like Fig. 5, second prismatic lens 18 of the side light type back light module 30 of present embodiment is arranged between the LGP 12 and first prismatic lens 16.As for the scope of second apex 2 of first apex 1 of the refractive index of first prismatic lens 16 and second prismatic lens 18, the first prism structure 16P and the second prism structure 18P, then similar with previous embodiment, repeat no more at this.
Please refer to Fig. 8 and Fig. 9.Fig. 8 and Fig. 9 have illustrated the sketch map of the side light type back light module of the 3rd preferred embodiment of the present invention; Wherein Fig. 8 has illustrated the decomposing schematic representation of the side light type back light module of present embodiment, and Fig. 9 has illustrated the generalized section that the side light type back light module of Fig. 8 illustrates along second direction.Like Fig. 8 and shown in Figure 9, be different from aforementioned two embodiment, the side light type back light module 40 of present embodiment only comprises first prismatic lens 16, and is not provided with second prismatic lens 18.As for the refractive index of first prismatic lens 16 and first apex, 1 scope of the first prism structure 16P, then similar with previous embodiment, repeat no more at this.
Please again with reference to Figure 10.Figure 10 has illustrated the sketch map of the side light type back light module of the 4th preferred embodiment of the present invention.As shown in figure 10, in the present embodiment, side light type back light module 50 comprises that more a plurality of first diffusion particle 16S are formed on a lower surface 16A of first prismatic lens 16, and a plurality of second diffusion particle 18S is formed on a lower surface 18A of second prismatic lens 18.The first diffusion particle 16S and the second diffusion particle 18S have atomizing, make emitting brightness evenly, reduce visually for the effects such as tolerance of focus (hot spot) with defective.In the present embodiment, first prismatic lens 16 is arranged between the LGP 12 and second prismatic lens 18, but not as limit, for example second prismatic lens 18 also can be arranged between the LGP 12 and first prismatic lens 16.As for the scope of second apex 2 of first apex 1 of the refractive index of first prismatic lens 16 and second prismatic lens 18, the first prism structure 16P and the second prism structure 18P, then similar with previous embodiment, repeat no more at this.
Please again with reference to Figure 11.Figure 11 has illustrated the sketch map of the side light type back light module of the 5th preferred embodiment of the present invention.As shown in figure 11, in the present embodiment, side light type back light module 60 comprises that more a plurality of first diffusion particle 16S intersperse among within first prismatic lens 16, and a plurality of second diffusion particle 18S intersperses among within second prismatic lens 18.In the present embodiment, first prismatic lens 16 is arranged between the LGP 12 and second prismatic lens 18, but not as limit, for example second prismatic lens 18 also can be arranged between the LGP 12 and first prismatic lens 16.As for the scope of second apex 2 of first apex 1 of the refractive index of first prismatic lens 16 and second prismatic lens 18, the first prism structure 16P and the second prism structure 18P, then similar with previous embodiment, repeat no more at this.
In sum; Side light type back light module of the present invention be not provided with under the situation of diffusion sheet; First drift angle of first prism structure that will be arranged in parallel with the incidence surface of LGP is controlled in the scope of acute angle; The angle of the light that can effectively control side light type back light module and sent can make the brightness peak of light adjust to positive apparent direction whereby.Therefore, do not using under the situation of diffusion sheet, side light type back light module of the present invention can reduce cost of manufacture, module thickness and optics consume, but still can keep good outgoing light homogeneity.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (12)
1. a side light type back light module is characterized in that, comprising:
One LGP has an at least one incidence surface and an exiting surface;
One light source is arranged at this incidence surface of this LGP, is used for substantially along a first direction towards this LGP emission light;
One first prismatic lens; Be arranged on this exiting surface of this LGP; This first prismatic lens comprises that many first prism structures are parallel to each other and arranges along the second direction perpendicular to this first direction substantially that respectively this first prism structure has one first drift angle, and this first drift angle is an acute angle; And
One second prismatic lens; Be arranged on this exiting surface of this LGP; This second prismatic lens comprises that many second prism structures are parallel to each other and arranges along this first direction substantially that respectively this second prism structure has one second drift angle, and this second drift angle is more than or equal to this first drift angle.
2. side light type back light module according to claim 1 is characterized in that, this first drift angle is substantially between 40 degree to 80 degree.
3. side light type back light module according to claim 2 is characterized in that, this first drift angle is substantially between 50 degree to 70 degree.
4. side light type back light module according to claim 1 is characterized in that, this first prismatic lens is arranged between this LGP and this second prismatic lens.
5. side light type back light module according to claim 1 is characterized in that, this second prismatic lens is arranged between this LGP and this first prismatic lens.
6. side light type back light module according to claim 1 is characterized in that, a refractive index of this first prismatic lens is substantially between 1.52 to 1.6.
7. side light type back light module according to claim 1 is characterized in that, a refractive index of this second prismatic lens is substantially between 1.52 to 1.6.
8. side light type back light module according to claim 1 is characterized in that, more comprises a plurality of first diffusion particles, is formed on a lower surface of this first prismatic lens.
9. side light type back light module according to claim 1 is characterized in that, more comprises a plurality of first diffusion particles, intersperses among within this first prismatic lens.
10. side light type back light module according to claim 1 is characterized in that, more comprises a plurality of second diffusion particles, is formed on a lower surface of this second prismatic lens.
11. side light type back light module according to claim 1 is characterized in that, more comprises a plurality of second diffusion particles, intersperses among within this second prismatic lens.
12. a side light type back light module is characterized in that, comprising:
One LGP has an incidence surface and an exiting surface, and this incidence surface links to each other with this exiting surface;
One light source is arranged at this incidence surface;
One first prismatic lens; Be arranged on this exiting surface, this first prismatic lens has many first prism structures, and respectively this first prism structure has one first drift angle; Wherein respectively a bearing of trend of this first prism structure is parallel to this incidence surface substantially, and this first drift angle is an acute angle; And
One second prismatic lens is arranged on this exiting surface, and this second prismatic lens has many second prism structures, and respectively this second prism structure has one second drift angle, and wherein this second drift angle is more than or equal to this first drift angle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100121467 | 2011-06-20 | ||
| TW100121467A TW201300894A (en) | 2011-06-20 | 2011-06-20 | Edge lighting backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102352982A true CN102352982A (en) | 2012-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102170183A Pending CN102352982A (en) | 2011-06-20 | 2011-07-22 | Side light type backlight module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102352982A (en) |
| TW (1) | TW201300894A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103377591A (en) * | 2012-04-13 | 2013-10-30 | 鸿富锦精密工业（深圳）有限公司 | Light-emitting diode display unit and light-emitting diode display |
| WO2014029119A1 (en) * | 2012-08-21 | 2014-02-27 | 深圳市华星光电技术有限公司 | Backlight module |
| CN108279526A (en) * | 2017-12-28 | 2018-07-13 | 重庆市中光电显示技术有限公司 | Sidelight type backlight module |
| CN108646465A (en) * | 2018-03-06 | 2018-10-12 | 友达光电股份有限公司 | Display device |
| CN111427191A (en) * | 2019-08-30 | 2020-07-17 | 达运精密工业股份有限公司 | Backlight module and manufacturing method of light guide plate |
| CN112014918A (en) * | 2019-05-29 | 2020-12-01 | 台湾扬昕股份有限公司 | Backlight module |
| CN114137760A (en) * | 2020-09-04 | 2022-03-04 | 海信视像科技股份有限公司 | Display device |
| WO2022252736A1 (en) * | 2021-05-31 | 2022-12-08 | 惠州视维新技术有限公司 | Composite optical film and display device |
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| KR101640718B1 (en) * | 2014-12-31 | 2016-07-18 | 삼성에스디아이 주식회사 | Module for liquid crystal display apparatus and liquid crystal display apparatus comprising the same |
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|---|---|---|---|---|
| CN103377591A (en) * | 2012-04-13 | 2013-10-30 | 鸿富锦精密工业（深圳）有限公司 | Light-emitting diode display unit and light-emitting diode display |
| WO2014029119A1 (en) * | 2012-08-21 | 2014-02-27 | 深圳市华星光电技术有限公司 | Backlight module |
| CN108279526A (en) * | 2017-12-28 | 2018-07-13 | 重庆市中光电显示技术有限公司 | Sidelight type backlight module |
| CN108646465A (en) * | 2018-03-06 | 2018-10-12 | 友达光电股份有限公司 | Display device |
| CN112014918A (en) * | 2019-05-29 | 2020-12-01 | 台湾扬昕股份有限公司 | Backlight module |
| CN111427191A (en) * | 2019-08-30 | 2020-07-17 | 达运精密工业股份有限公司 | Backlight module and manufacturing method of light guide plate |
| CN111427191B (en) * | 2019-08-30 | 2023-09-15 | 达运精密工业股份有限公司 | Backlight module and manufacturing method of light guide plate |
| CN114137760A (en) * | 2020-09-04 | 2022-03-04 | 海信视像科技股份有限公司 | Display device |
| CN114137760B (en) * | 2020-09-04 | 2024-03-19 | 海信视像科技股份有限公司 | Display device |
| WO2022252736A1 (en) * | 2021-05-31 | 2022-12-08 | 惠州视维新技术有限公司 | Composite optical film and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201300894A (en) | 2013-01-01 |
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