WO2007066729A1 - 面発光装置及び液晶表示装置 - Google Patents
面発光装置及び液晶表示装置 Download PDFInfo
- Publication number
- WO2007066729A1 WO2007066729A1 PCT/JP2006/324463 JP2006324463W WO2007066729A1 WO 2007066729 A1 WO2007066729 A1 WO 2007066729A1 JP 2006324463 W JP2006324463 W JP 2006324463W WO 2007066729 A1 WO2007066729 A1 WO 2007066729A1
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- WO
- WIPO (PCT)
- Prior art keywords
- image
- light
- flat
- dispersive element
- light source
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
-
- 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
-
- 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
- G02F1/133604—Direct backlight with lamps
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Definitions
- 001 for example, relates to a surface device suitable for a direct type lighting device and a device equipped with the same. Since 2000, a device equipped with a backlight () that is easy to see is used as a table for Wadpessa laptop type so- on amps.
- the main type of backlight is a light-type backlight that has a lightweight contractor, a transparent () transparent light placed on it, and a panel installed on this plate via a light-dissipating switch. It was
- the black light is a light source such as a fluorescent tube2, a reflection3, and a diffused light.
- the reflection 3 is arranged in the direction of the linear light 2
- the 4 is arranged in the direction of the linear light 2
- the gate 5 is arranged in the direction of the diffusion 4.
- the luminous flux emitted from the linear light 2 is emitted from the light 4 to 5.
- the luminous flux of this backlight is high at the position above 2 and low at the position between the two players.
- the 000 7 push 6 is arranged so that the line direction of the line 6a is parallel to the direction of the line light 2. As a result, as shown in 4 (), the image of the light beam emitted from the diffuser 5 is doubled compared to the case without the pump (4 ()), and the distribution of the distribution is increased. It
- 5 is a diagram showing the relationship with the push 62.
- the light emitted in the direction of the line from 2 to 6 is emitted on the slope (pitch) of 6a of the pattern 6, returned to the 2 side, and used again as the light of the pattern 6.
- a person 2 who shoots at an angle on the prism 6 rises in the front (in the direction of the line) with a line 6a and appears as an image.
- the 3 that makes the push 6 at an even larger angle is reflected at the push 6 and returned to the 2 side.
- the image that appears in for 6 of push will be divided into 2.
- 001 was made in view of the above-mentioned problems, in which the main optical image can be increased to improve the uniformity of the frequency distribution. Is to provide a device equipped with.
- the diffuser forming the emitted light, the number of reflections placed facing the diffuser, the diffuser
- the image has a number of occurrences on one and / or the other and a flat surface parallel to the surface between adjacent protrusions.
- It has a number of roots and a flat surface parallel to the ground plane.
- the device By configuring the device as, for example, a backlight, it is possible to improve the unevenness of the image generated by the image.
- Diffuseness is a general concept that includes a relatively hand-shaped spread, etc., and is an ordinary one that has the function of diffusing the source light over a certain degree.
- the boards and guts may be used alone or together.
- the protrusions formed on the image can be formed, for example, by a prism having a square cross section. It does not matter whether it is a horn with a pulsation, a corner, or a height. It may have a cross-sectional shape, a shape, or a function added to the outside of the pump. , Linear (eg, pulsum, nunds) (eg, pyramid, pyramid). In addition, the flatness formed on the protrusion, for example, on the raised surface or on the raised surface. It may be.
- It may be formed on the front surface or the back surface, or may be formed on the front and back surfaces. There may be a minimum of images, or two of them may be used depending on the specifications.
- 0019 is not limited to fluorescence-like light, but can be as many as linearly arranged (gh Eng D. d.).
- a flat surface parallel to the ridge is provided on at least one of the adjacent linear origin and origin on the image.
- FIG. 3 is a () plan view and a () plan view of the device shown in 2, which shows the composition of the device according to the implementation of Ming.
- FIG. 4 is a diagram showing the relationship between the position shown in 3 and the prismatic light.
- FIG. 6 is a plan view showing another structure of the pump shown in FIG.
- FIG. 7 is a plan view showing another structure of the pump shown in FIG.
- FIG. 6 is a plan view illustrating the method of the pump shown in FIG.
- 14A and 14B are diagrams for explaining the conventional composition and the distribution of distribution, where () shows an example using a conventional one and () shows an example using a conventional one.
- FIG. 15 is a diagram showing a relationship with a conventional prismatic light.
- 2 () is a plan view taken along line 11 11 of, and is a plan view of 2, 2 and 6. This constitutes, for example, a lower-type backlight unit.
- the three diffused lights 4 are arranged opposite to each other, and a plurality of light beams 2 are arranged in parallel with the reflected three diffused lights 4 at a pitch.
- the divergence 4 forms the surface of, and as will be described later, it further diffuses the image divided by the prism 6, and measures the degree of the emitted light flux from the surface. In this
- the 002 dispersive layer 4 is not particularly limited as long as it has transparency and a function of diffusing light, such as a conventional spread-like shape. Examples include those manufactured by Akaku Bonnet, and specific examples include 6C (product name) of Nitto Co., Ltd. and Mitsubishi I (product name).
- the diffuser is used to assist the dispersion, and examples include those made by P. Specifically, (share 4 (product name, HONDENKI (share S (product name, Kimoto (light up There is an S (product name) .
- the diffusion plate and the tote plate may be at least one, or they may be laminated.
- the 002 prism 6 is arranged between the linear diffused light 4 and the prism 4.
- prisms 6a having a rectangular cross section are continuously arranged on the toe surface with a flat 6d in between.
- the direction of 6a that is, the direction straight to the direction of 6a (to the right in 2 ()) is the protrusion direction.
- the prism 6 is arranged so that the direction of 6b of 6a is parallel to the direction of the light beam 2.
- the amount of the surface forming the projection 6a is equal to the length of the surface forming the flat 6d in the projection 6 in the push 6. That is, as shown in 2 (), the length S 2 of the protrusion 6a is equal to the length S 2 of the protrusion 6a on the surface S 3 of the flat 6d. It is preferable that the lengths of the projections 6a and 6d in the direction of the surfaces forming the projections 6a are completely the same, but if the same results are obtained, the lengths are not exactly the same. I'm Yuu Moyo.
- the prism 6 can be made of a resin material having properties. As shown in FIG. 7 (), 6a and 6 supporting it can be produced by thermoplastic body molding. Typical examples of plasticity are carbon P (pometimethac) and postin system, but the plasticity is not particularly limited. Further, as shown in 7, it is also possible to transfer the green (eg, outside line) 6a to the transparent 6 such as P. It should be noted that it depends on the size of the linear 6a and the size and arrangement of the line 6a to be used.
- a flat 6d parallel to the plane is provided between the prismatic line 6a having a square cross section, so that the flat 6d can be inserted in the direction of the plane 2 to 6 A light image will appear in front of it without being totally exposed at the location.
- the linear 6a fulfills the original function of dividing the image into two by raising the light emitted from the human from the front at a certain degree from the front.
- the image that appears by passing the flat 6d is added, and not only the image shown by the linear 6a is added.
- the main optical image can be divided into three. Therefore, according to the present embodiment, it is possible to increase the image length and shorten the distance, and to enhance the uniformity of the brightness distribution.
- the amount of light that is raised by and is emitted toward the prism 6 becomes Since the number of images taken varies, it is possible to further enhance unity. Further, according to the present embodiment, since the luminance distribution can be unified without using a thick one, the amount of light is reduced. This can improve the brightness. Not only can it be used, but it can also be used only as a device. In addition, it is possible to reduce the distance by expanding the distance, which is effective for the stall.
- 003 644 is the image of the luminous flux that passes through () the conventional pump 6 and () the practiced pump 6. By providing 6d, the image distance can be shortened compared to the case where there is no flatness. This facilitates image optimization and facilitates brightness.
- 5 6 for example, the shape shown in 5 6 can be used.
- 5 () to 5 shows an example in which a flat 6d is provided linearly
- 6 () to 6 () show an example in which a flat portion 6d is provided in a linear portion, specifically, a flat 6d.
- 6 (C) a flat 6d is provided on both the linear and raised sides.
- Reference numeral 6a shown in 003 5 indicates an example of a pulse shape corresponding to the linear shape 6a in the present embodiment.
- 6a2 shown in 5 indicates an example in which the linear surface portion forming the pulsation surface is formed by combining surfaces having different inclination angles.
- 6a3 shown in 5 (C) has a cross-section of, or, for example, a don-shape.
- 6a4 shown in Fig. 5 is an example in which is a curved rectangular shape, and a curved compound 6c is provided on these protrusions to form a concave compound.
- the push 6 is formed by transferring the shape by the boss, using a master disk with the protrusions engraved. If there is no whole space (no part) between the projections 6a, the master disk 6 As a result, it will be a tip. In this way, it is not easy to mold the desired shape because the edges of the master are bent or bent during processing. And linear 6a 4.
- 6a5 shown in 004 06 shows an example in which a flat 6d is formed in the prism.
- 6 shows an example in which a flat 6d is formed on a cross-section 6a6.
- a flat 6d2 is further provided between the prisms 6a7 having a flat 6d at 6 C.
- 6 and two examples of 6a8 and 6a9 of two types are shown.
- 6a8 6a9 has a trapezoidal shape on each side, so that () is flat 6d.
- 6a linear 6a having a cross-sectional shape and a linear 6 having a cross-section of a symmetrical 5 shape are provided.
- the push 6 is formed by filling a master disc with protrusions engraved on it and transferring this pattern.However, if it has the shape of the linear 6a, the master disc is The bottom part will have a narrow width. As a result, the master may not be able to be filled up to the bottom of the master, and it is not easy to mold the desired shape. Thus, the surface forming the linear 6a faces inward of the blade.
- the angle is 4.
- the flat 6d 6d2 is provided between the linear 6a and the linear 6a as shown in 6C, so that the original of the original can be held and the original of the original is not filled. Therefore, the protrusion-like shape in the push 6 is effectively improved.
- the puss having mutually different shapes are periodically arranged alternately, but in one P, the plane formed by the linear 6a and 6d is , 6 5, and 6 7.
- the number of images appearing in the case of push 6 is 6 5 and 6 (), which is 7.
- 5 and 5 have the same shape as linear 6 and flat 6d, but they are arranged consecutively, but the surface formed by 4 and 6d of linear 6a is 5 in total. Is. For this reason, The number of media is 5. Therefore, it is determined by the linear shape and the meshing of the image, and is not limited to the above example.
- the protrusions on the surface formed by 6d are: As a result, the amount of light emitted from the surface is reduced, and it is possible to more effectively ensure unity.
- 6a shown in 5 6 is just an example, and it may be one other than the above, such as, for example.
- the protrusions can be arranged, for example, in a tox shape on the push-button 6. It is preferable that one of the directions in the plane 6 of the prism be the projection direction so that Further, all 6a are not limited to the same shape, and a plurality of occurrences having different shapes, shapes, heights, etc. may be formed on the same surface. Further, these linear 6a are not limited to being formed in (dispersed pattern 4) of prism 6, but may be formed in (2) of prism 6 as the case may be. It may be formed on the front and back sides. In the case of forming the flat surface and 6a, it is possible to have different shapes, pitches, and bending ratios, and the projections may have different line directions. 004 (2 of)
- 004 Implementation Mode 2 is 22, Reflection 3 and Diffuse It is equipped with a dispersive gland 4 and a pledget 6 as an image, and the accommodation of these.
- the three dispersive points 4 are arranged so as to face each other, and the number of 22 arranged in a line between these three dispersive points 4 is scattered in the sequence.
- Push 00 has a composition similar to that of the above-mentioned operation, and the orientation of 6b of 6a of the push is arranged in parallel with the orientation of 22. Not limited to this example, the line direction of pulse 6 is set to the direction of point 22.
- 00502 22 is made of organic material, etc.
- a flat 6d parallel to the face is provided between the line 6a having a prismatic cross section. Then, the light entering in the line direction of the prism 6 from 22 is not totally reflected at the position of the flat 6d, and the light image appears in the front.
- the linear 6a fulfills the original function of splitting the image into two by raising the light emitted from the person from 22 at a constant degree to the front.
- the image that appears by passing through the flat 6d is added, and not only the image shown by the linear 6a is added.
- the main optical image can be divided into three. Therefore, according to the present embodiment, it is possible to increase the image length and shorten the distance, and to improve the uniformity of the brightness distribution.
- the pus push 26 was produced by the following method.
- a metal boss for push is used as a master, and a cross section of 9 is formed on the surface.
- An isosceles right triangle with a base of 5 and a height of 2 and a width of 5 were used in succession.
- plasticity a thickness of 2 is used (Ningang Plastics Co., Ltd. 2).
- the same degree of one-sex test was conducted by installing a conventional prism 6 with a flat surface instead of the conventional prism 6. The results are shown in Fig. 9.
- the prism 6 was manufactured by the following method.
- a cross section of 9 is formed on the surface.
- push-button 26 shown in () was used under the following conditions. Shown in. It should be noted that this corresponds to the shape shown in 6 of this pulse 26. In addition, is the square of the number indicating the law of the protrusion.
- the upper side is 2, and (26a9) with 0 is alternately and continuously carved. Further, in one P, the surfaces forming the projections 26a8 26a9 and the projections of the five flat surfaces (26d 26d2) constituted by 26d 26d2 are equal. Physically, is 4. Same as plasticity and push implementation.
- a cross section 43 is formed on the surface.
- the upper side is 25 and 7 (36a), and the cross section is 54 ⁇ 3. .
- Fig. 2 and Fig. 2 show the results obtained by testing the brightness uniformity under the same conditions as in Example 2 except that the conventional model 6 with a flat surface was used instead of the model 26.
- the protrusion 6a that constitutes the image is formed into a shape, but instead of this, the shape of the protrusion may be formed into a pyramid or a pyramid (pyramid, quadrangular pyramid).
- the flat surface 6d as described above in that part it is possible to obtain the same effect as in the above-described embodiment.
- the item 2 is the object 6 as the image, but the present invention is not limited to this, and the item 2 may be overlaid. In this case, it is possible to suppress the occurrence of () by changing the line direction of each pump.
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007549178A JP4992721B2 (ja) | 2005-12-09 | 2006-12-07 | 面発光装置及び液晶表示装置 |
EP06834218.7A EP1959275B1 (en) | 2005-12-09 | 2006-12-07 | Surface light emission device and liquid crystal display |
CN2006800043265A CN101116014B (zh) | 2005-12-09 | 2006-12-07 | 表面发光装置及液晶显示器 |
US11/814,742 US7804554B2 (en) | 2005-12-09 | 2006-12-07 | Surface emitting device and liquid crystal display |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-357052 | 2005-12-09 | ||
JP2005357052 | 2005-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007066729A1 true WO2007066729A1 (ja) | 2007-06-14 |
Family
ID=38122874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/324463 WO2007066729A1 (ja) | 2005-12-09 | 2006-12-07 | 面発光装置及び液晶表示装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7804554B2 (ja) |
EP (1) | EP1959275B1 (ja) |
JP (1) | JP4992721B2 (ja) |
KR (1) | KR20080077312A (ja) |
CN (1) | CN101116014B (ja) |
TW (1) | TW200734690A (ja) |
WO (1) | WO2007066729A1 (ja) |
Cited By (13)
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WO2008053790A1 (en) * | 2006-10-27 | 2008-05-08 | Fujifilm Corporation | Backlight unit |
JP2009026554A (ja) * | 2007-07-18 | 2009-02-05 | Dainippon Printing Co Ltd | 面光源用光学シート、面光源装置及び表示装置 |
EP2028537A1 (en) * | 2007-08-23 | 2009-02-25 | Sony Corporation | Surface light emitting device and liquid crystal display device using the same |
WO2009078439A1 (ja) * | 2007-12-18 | 2009-06-25 | Takiron Co., Ltd. | 光学シート及びこれを用いたバックライトユニット |
JP2009211856A (ja) * | 2008-03-03 | 2009-09-17 | Kuraray Co Ltd | 光制御シート |
JP2010287546A (ja) * | 2009-06-15 | 2010-12-24 | Takiron Co Ltd | バックライトユニット |
JP2011048187A (ja) * | 2009-08-27 | 2011-03-10 | Entire Technology Co Ltd | 微構造拡散板 |
JP2011128453A (ja) * | 2009-12-18 | 2011-06-30 | Takiron Co Ltd | 光学シート及びこれを用いたバックライトユニット |
WO2012005135A1 (ja) * | 2010-07-07 | 2012-01-12 | シャープ株式会社 | 光拡散シートおよび当該光拡散シートを備えた表示装置 |
JP2016192348A (ja) * | 2015-03-31 | 2016-11-10 | 株式会社小糸製作所 | 照明ユニット |
WO2021070027A1 (en) * | 2019-10-11 | 2021-04-15 | 3M Innovative Properties Company | Optical layers, films and systems |
CN113687532A (zh) * | 2021-08-19 | 2021-11-23 | 深圳市华星光电半导体显示技术有限公司 | 光学膜片和显示装置 |
WO2022019101A1 (ja) * | 2020-07-23 | 2022-01-27 | 株式会社デンソー | ヘッドアップディスプレイ装置及びヘッドアップディスプレイ用拡散板 |
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JP2008003232A (ja) * | 2006-06-21 | 2008-01-10 | Fujifilm Corp | 光学シート及び光学シートの製造方法、バックライト、液晶表示装置 |
KR101321909B1 (ko) * | 2006-12-12 | 2013-10-25 | 삼성디스플레이 주식회사 | 프리즘 시트 및 이의 제조 방법 |
JP2010140889A (ja) * | 2008-08-12 | 2010-06-24 | Sumitomo Chemical Co Ltd | 照明装置 |
EP2309316A1 (de) * | 2009-10-09 | 2011-04-13 | Bayer MaterialScience AG | LED-Beleuchtungseinheit mit strukturierter Streufolie |
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CN108459439B (zh) * | 2018-05-16 | 2023-11-17 | 京东方科技集团股份有限公司 | 背光模组及液晶显示装置 |
CN111860065A (zh) * | 2019-04-30 | 2020-10-30 | 深圳市隆利科技股份有限公司 | 一种指纹识别模组 |
CN110068881A (zh) * | 2019-04-30 | 2019-07-30 | 深圳市隆利科技股份有限公司 | 一种增亮膜 |
KR20210031570A (ko) | 2019-09-11 | 2021-03-22 | 삼성디스플레이 주식회사 | 광학 필름, 표시패널 및 이를 포함하는 표시장치 |
CN112987150A (zh) * | 2021-04-21 | 2021-06-18 | 广州立景创新科技有限公司 | 复合棱镜模块以及图像获取模块 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06250178A (ja) * | 1993-02-26 | 1994-09-09 | Nippon Denyo Kk | 面光源装置 |
JP2005043611A (ja) * | 2003-07-28 | 2005-02-17 | Dainippon Printing Co Ltd | 光学シート、面光源装置及び透過型表示装置 |
JP2005117023A (ja) * | 2003-09-19 | 2005-04-28 | Sony Corp | バックライト装置及び液晶表示装置 |
JP2005322524A (ja) * | 2004-05-10 | 2005-11-17 | Sumitomo Rubber Ind Ltd | 直下型用発光面部材及び直下型面発光装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03113481A (ja) * | 1989-09-28 | 1991-05-14 | Toshiba Lighting & Technol Corp | 液晶表示装置 |
JPH05333333A (ja) | 1992-05-29 | 1993-12-17 | Fujitsu Ltd | 照明装置 |
JPH10283818A (ja) | 1997-04-02 | 1998-10-23 | Taiho Ind Co Ltd | 面発光体及びその輝度均一化方法 |
JPH1196822A (ja) * | 1997-09-16 | 1999-04-09 | Toshiba Corp | 面照明装置およびこれを用いた表示装置 |
KR100367845B1 (ko) * | 2000-06-07 | 2003-01-10 | 삼성전자 주식회사 | 액정표시장치의 조명 방법, 이를 구현시키기 위한액정표시장치의 백라이트 어셈블리 및 이를 채용한액정표시장치 |
JP4293300B2 (ja) * | 2001-05-24 | 2009-07-08 | シャープ株式会社 | 照明装置およびそれを備える表示装置 |
US6906461B2 (en) * | 2001-12-28 | 2005-06-14 | Matsushita Electric Industrial Co., Ltd. | Light source device with inner and outer electrodes and liquid crystal display device |
WO2004104677A2 (en) * | 2003-05-20 | 2004-12-02 | Trivium Technologies, Inc. | Devices for use in non-emissive displays |
JP4388318B2 (ja) | 2003-06-27 | 2009-12-24 | オリンパス株式会社 | 画像処理装置 |
KR20060079234A (ko) | 2003-09-19 | 2006-07-05 | 소니 가부시끼 가이샤 | 백라이트 장치 및 액정 표시 장치 |
KR100965594B1 (ko) * | 2003-12-16 | 2010-06-23 | 엘지디스플레이 주식회사 | 액정표시장치의 램프 구동장치 |
TWI364600B (en) * | 2004-04-12 | 2012-05-21 | Kuraray Co | An illumination device an image display device using the illumination device and a light diffusing board used by the devices |
-
2006
- 2006-12-07 CN CN2006800043265A patent/CN101116014B/zh not_active Expired - Fee Related
- 2006-12-07 US US11/814,742 patent/US7804554B2/en not_active Expired - Fee Related
- 2006-12-07 WO PCT/JP2006/324463 patent/WO2007066729A1/ja active Application Filing
- 2006-12-07 KR KR1020077017049A patent/KR20080077312A/ko not_active Application Discontinuation
- 2006-12-07 EP EP06834218.7A patent/EP1959275B1/en not_active Expired - Fee Related
- 2006-12-07 JP JP2007549178A patent/JP4992721B2/ja not_active Expired - Fee Related
- 2006-12-08 TW TW095146053A patent/TW200734690A/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06250178A (ja) * | 1993-02-26 | 1994-09-09 | Nippon Denyo Kk | 面光源装置 |
JP2005043611A (ja) * | 2003-07-28 | 2005-02-17 | Dainippon Printing Co Ltd | 光学シート、面光源装置及び透過型表示装置 |
JP2005117023A (ja) * | 2003-09-19 | 2005-04-28 | Sony Corp | バックライト装置及び液晶表示装置 |
JP2005322524A (ja) * | 2004-05-10 | 2005-11-17 | Sumitomo Rubber Ind Ltd | 直下型用発光面部材及び直下型面発光装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1959275A4 * |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2008053790A1 (en) * | 2006-10-27 | 2008-05-08 | Fujifilm Corporation | Backlight unit |
JP2009026554A (ja) * | 2007-07-18 | 2009-02-05 | Dainippon Printing Co Ltd | 面光源用光学シート、面光源装置及び表示装置 |
EP2028537A1 (en) * | 2007-08-23 | 2009-02-25 | Sony Corporation | Surface light emitting device and liquid crystal display device using the same |
WO2009078439A1 (ja) * | 2007-12-18 | 2009-06-25 | Takiron Co., Ltd. | 光学シート及びこれを用いたバックライトユニット |
JP2009211856A (ja) * | 2008-03-03 | 2009-09-17 | Kuraray Co Ltd | 光制御シート |
JP2010287546A (ja) * | 2009-06-15 | 2010-12-24 | Takiron Co Ltd | バックライトユニット |
JP2011048187A (ja) * | 2009-08-27 | 2011-03-10 | Entire Technology Co Ltd | 微構造拡散板 |
JP2011128453A (ja) * | 2009-12-18 | 2011-06-30 | Takiron Co Ltd | 光学シート及びこれを用いたバックライトユニット |
WO2012005135A1 (ja) * | 2010-07-07 | 2012-01-12 | シャープ株式会社 | 光拡散シートおよび当該光拡散シートを備えた表示装置 |
JP2016192348A (ja) * | 2015-03-31 | 2016-11-10 | 株式会社小糸製作所 | 照明ユニット |
WO2021070027A1 (en) * | 2019-10-11 | 2021-04-15 | 3M Innovative Properties Company | Optical layers, films and systems |
US11828972B2 (en) | 2019-10-11 | 2023-11-28 | 3M Innovative Properties Company | Optical layers, films and systems |
WO2022019101A1 (ja) * | 2020-07-23 | 2022-01-27 | 株式会社デンソー | ヘッドアップディスプレイ装置及びヘッドアップディスプレイ用拡散板 |
CN113687532A (zh) * | 2021-08-19 | 2021-11-23 | 深圳市华星光电半导体显示技术有限公司 | 光学膜片和显示装置 |
CN113687532B (zh) * | 2021-08-19 | 2022-12-06 | 深圳市华星光电半导体显示技术有限公司 | 光学膜片和显示装置 |
Also Published As
Publication number | Publication date |
---|---|
US20090009686A1 (en) | 2009-01-08 |
JPWO2007066729A1 (ja) | 2009-05-21 |
TWI336787B (ja) | 2011-02-01 |
TW200734690A (en) | 2007-09-16 |
EP1959275B1 (en) | 2013-10-23 |
CN101116014A (zh) | 2008-01-30 |
KR20080077312A (ko) | 2008-08-22 |
JP4992721B2 (ja) | 2012-08-08 |
EP1959275A1 (en) | 2008-08-20 |
US7804554B2 (en) | 2010-09-28 |
EP1959275A4 (en) | 2011-02-16 |
CN101116014B (zh) | 2011-09-21 |
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