KR0141088B1 - 면 광원 소자 - Google Patents
면 광원 소자Info
- Publication number
- KR0141088B1 KR0141088B1 KR1019920701097A KR920701097A KR0141088B1 KR 0141088 B1 KR0141088 B1 KR 0141088B1 KR 1019920701097 A KR1019920701097 A KR 1019920701097A KR 920701097 A KR920701097 A KR 920701097A KR 0141088 B1 KR0141088 B1 KR 0141088B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- light guide
- light source
- transparent
- source element
- Prior art date
Links
- 239000004925 Acrylic resin Substances 0.000 claims description 9
- 229920000178 Acrylic resin Polymers 0.000 claims description 9
- 238000001746 injection moulding Methods 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 5
- 238000005286 illumination Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 20
- 239000000463 material Substances 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 238000013459 approach Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000000149 argon plasma sintering Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910000349 titanium oxysulfate Inorganic materials 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/007—Incandescent lamp or gas discharge lamp
- G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (7)
- 적어도 한개의 측단부를 광입사면으로하고 그와 직교하는 한개의 면을 광출사면으로하며, 광출사면의 반대면에 광반사층을 설치한 투명도광체(1)와, 상기 투명 도광체의 광출사면에서의 광을 확산시키는 확산체(3)로 이루어진 면광원소자에 있어서; 투명도광체의 광출사면과 그 반대면의 적어도 한쪽은, 투명도광체의 광입사면에서 입사한 광을 해당광의 진행방향에 대하여 경사방향으로 출사되는 지향성 출사기능을 가진 거친면과 평활부분을 포함하고, 상기 거친면은 평활부분의 비율이 상기 광입사면에 근접함에 따라 증가되게 설치하고, 상기 투명 도광체는 광출사면에서 출사하는 광의 휘도치를 광출사면 전체면에서 균일화시키는 제어기능을 가진 것을 특징으로 하는 면 광원 소자.
- 적어도 한개의 측단부를 광입사면으로하고 그와 직교하는 한개의 면을 광출사면으로하며, 광출사면의 반대면에 광반사층을 설치한 투명도광체(1)와, 상기 투명 도광체의 광출사면에서의 광을 확산시키는 확산체(3)로 이루어진 면광원소자에 있어서; 투명도광체의 광출사면과 그 반대면의 적어도 한쪽은, 투명도광체의 광출사면에서 입사한 광을 해당광의 진행방향에 대하여 경사방향으로 출사되는 지향성 출사기능을 가진 다수의 렌즈유니트부분과 평활부분을 포함하고, 상기 렌즈유니트 부분은 평활부분의 비율이 상기 광입사면에 근접함에 따라 증가되게 설치하고 상기 투명 도광체는 광출사면에서 출사하는 광의 휘도치를 광출사면 전체면에서 균일화시키는 제어기능을 가진 것을 특징으로 하는 면 광원 소자.
- 제2항에 있어서, 투명도광체(1)는 사출성형으로 제조되는 것을 특징으로 하는 면 광원 소자.
- 제2항에 있어서, 투명도광체(1)는 아크릴수지로 제조되는 것을 특징으로 하는 면 광원 소자.
- 제1항에 있어서, 투명도광체(1)는 사출성형(injection molding)으로 제조되는 것을 특징으로 하는 면 광원 소자.
- 제1항에 있어서, 투명도광체(1)에 형성된 거친면의 흐림치(haze value)가 30%이상인 것을 특징으로 하는 면 광원 소자.
- 제1항에 있어서, 투명도광체(1)는 아크릴수지로 제조되는 것을 특징으로 하는 면 광원 소자.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP90-241538 | 1990-09-12 | ||
JP24153890 | 1990-09-12 | ||
PCT/JP1991/001211 WO1992004648A1 (en) | 1990-09-12 | 1991-09-12 | Element of plane source of light |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920702503A KR920702503A (ko) | 1992-09-04 |
KR0141088B1 true KR0141088B1 (ko) | 1998-08-17 |
Family
ID=17075846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920701097A KR0141088B1 (ko) | 1990-09-12 | 1991-09-12 | 면 광원 소자 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5550676A (ko) |
EP (1) | EP0500960B1 (ko) |
KR (1) | KR0141088B1 (ko) |
CA (1) | CA2068422A1 (ko) |
DE (1) | DE69115678T2 (ko) |
WO (1) | WO1992004648A1 (ko) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5515184A (en) * | 1991-11-12 | 1996-05-07 | The University Of Alabama In Huntsville | Waveguide hologram illuminators |
CA2097109C (en) * | 1992-06-01 | 2000-01-11 | Shozo Kokawa | Liquid crystal display |
USRE37377E1 (en) | 1992-10-09 | 2001-09-18 | Asahi Glass Company, Ltd. | LCD device including an illumination device having a polarized light separating sheet between a light guide and the display |
DE69418502T2 (de) * | 1993-02-01 | 2000-02-24 | Tosoh Corp | Vorrichtung zur Hintergrund-Beleuchtung |
AU6524694A (en) * | 1993-03-29 | 1994-10-24 | Precision Lamp, Inc. | Flat thin uniform thickness large area light source |
US5863113A (en) * | 1993-06-22 | 1999-01-26 | Mitsubishi Rayon Co., Ltd. | Plane light source unit |
CA2099067C (en) * | 1993-06-23 | 2001-02-13 | Makoto Oe | Plane light source unit |
JP3516466B2 (ja) * | 1993-06-29 | 2004-04-05 | 旭硝子株式会社 | 照明装置および液晶表示装置 |
US5428468A (en) * | 1993-11-05 | 1995-06-27 | Alliedsignal Inc. | Illumination system employing an array of microprisms |
US5521725A (en) * | 1993-11-05 | 1996-05-28 | Alliedsignal Inc. | Illumination system employing an array of microprisms |
US5555329A (en) * | 1993-11-05 | 1996-09-10 | Alliesignal Inc. | Light directing optical structure |
US6129439A (en) * | 1993-11-05 | 2000-10-10 | Alliedsignal Inc. | Illumination system employing an array of multi-faceted microprisms |
US5396350A (en) * | 1993-11-05 | 1995-03-07 | Alliedsignal Inc. | Backlighting apparatus employing an array of microprisms |
US5598281A (en) * | 1993-11-19 | 1997-01-28 | Alliedsignal Inc. | Backlight assembly for improved illumination employing tapered optical elements |
GB2294350A (en) * | 1994-10-21 | 1996-04-24 | Sharp Kk | Light source and display |
ATE218905T1 (de) * | 1994-03-25 | 2002-06-15 | Novartis Erfind Verwalt Gmbh | Licht-diffusor und herstellungsverfahren eines licht-diffusors |
JPH0868910A (ja) * | 1994-08-29 | 1996-03-12 | Enplas Corp | 面光源装置用導光板及びその製造方法 |
US6080467A (en) * | 1995-06-26 | 2000-06-27 | 3M Innovative Properties Company | High efficiency optical devices |
US5613751A (en) | 1995-06-27 | 1997-03-25 | Lumitex, Inc. | Light emitting panel assemblies |
US7108414B2 (en) | 1995-06-27 | 2006-09-19 | Solid State Opto Limited | Light emitting panel assemblies |
US6712481B2 (en) | 1995-06-27 | 2004-03-30 | Solid State Opto Limited | Light emitting panel assemblies |
US6099135A (en) * | 1996-02-01 | 2000-08-08 | Mitsubishi Rayon Co., Ltd. | Surface light source element and liquid crystal display device, sign device and traffic control sign device using same |
US5897184A (en) * | 1996-07-02 | 1999-04-27 | Dimension Technologies, Inc. | Reduced-thickness backlighter for autostereoscopic display and display using the backlighter |
JPH10144122A (ja) * | 1996-11-06 | 1998-05-29 | Enplas Corp | サイドライト型面光源装置 |
US5903392A (en) * | 1997-05-19 | 1999-05-11 | Dai Nippon Printing Co., Ltd. | Reflecting screen |
US6079844A (en) * | 1997-06-10 | 2000-06-27 | The University Of British Columbia | High efficiency high intensity backlighting of graphic displays |
DE19860695B4 (de) * | 1998-12-29 | 2011-04-28 | Siemens Ag | Lichtquellenelement mit schräggestellter Lichtaustrittsfläche |
DE19860696B4 (de) * | 1998-12-29 | 2009-07-02 | Siemens Ag | Lichtquellenelement mit seitlicher schräger Lichteinkopplung |
CN1120327C (zh) * | 1998-12-29 | 2003-09-03 | 奥斯兰姆奥普托半导体股份有限两合公司 | 具有侧向倾斜的光输入的光源元件及其制造方法 |
DE19860697A1 (de) * | 1998-12-29 | 2000-08-10 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines flachen Lichtleitermoduls |
US6752505B2 (en) * | 1999-02-23 | 2004-06-22 | Solid State Opto Limited | Light redirecting films and film systems |
US6386721B1 (en) * | 1999-07-08 | 2002-05-14 | Physical Optics Corporation | Light pipe having one or more integral diffusers |
US6570710B1 (en) * | 1999-11-12 | 2003-05-27 | Reflexite Corporation | Subwavelength optical microstructure light collimating films |
ATE328440T1 (de) * | 2000-01-25 | 2006-06-15 | Newsight Gmbh | Verfahren und anordnung zur räumlichen darstellung |
DE10053868C2 (de) * | 2000-03-15 | 2002-10-31 | 4D Vision Gmbh | Anordnung zur zwei- oder dreidimensionalen Darstellung von Bildern einer Szene oder eines Gegenstandes |
KR20020001594A (ko) * | 2000-06-26 | 2002-01-09 | 가마이 고로 | 도광판, 면광원 장치 및 반사형 액정 표시 장치 |
US20040190102A1 (en) * | 2000-08-18 | 2004-09-30 | Mullen Patrick W. | Differentially-cured materials and process for forming same |
KR100798172B1 (ko) * | 2000-08-18 | 2008-01-24 | 리플렉사이트 코포레이션 | 차별적으로 경화된 물질 및 이를 형성하기 위한 공정 |
US7230764B2 (en) * | 2000-08-18 | 2007-06-12 | Reflexite Corporation | Differentially-cured materials and process for forming same |
US6833962B2 (en) * | 2000-12-04 | 2004-12-21 | Richard F. Bergen | Light altering device |
TW574509B (en) * | 2001-02-14 | 2004-02-01 | Yuka Denshi Co Ltd | Light guide body, light reflective sheet and surface light source device and liquid crystal device using the light reflective sheet, and the manufacturing method of light reflective sheet |
KR20040012393A (ko) * | 2002-08-03 | 2004-02-11 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정 표시 장치 |
TW575185U (en) * | 2002-11-15 | 2004-02-01 | Hon Hai Prec Ind Co Ltd | Backlight system and light guide plate thereof |
TWI273291B (en) * | 2002-12-17 | 2007-02-11 | Hon Hai Prec Ind Co Ltd | Surface light source and light guide plate used therein |
CN1833183A (zh) * | 2003-05-02 | 2006-09-13 | 瑞弗莱克塞特公司 | 改变光线方向的光学结构 |
DE10325146A1 (de) | 2003-05-30 | 2004-12-16 | X3D Technologies Gmbh | Verfahren und Anordnung zur räumlichen Darstellung |
US20070201234A1 (en) * | 2003-07-21 | 2007-08-30 | Clemens Ottermann | Luminous element |
DE10336352B4 (de) * | 2003-08-08 | 2007-02-08 | Schott Ag | Verfahren zur Herstellung von Streulichtstrukturen an flächigen Lichtleitern |
JP4379786B2 (ja) * | 2003-11-11 | 2009-12-09 | 株式会社エンプラス | 面光源装置 |
JP2005183363A (ja) * | 2003-11-25 | 2005-07-07 | Sharp Corp | 導光板、それを備えた照明装置、及び、液晶表示装置、並びに、導光板成形型 |
TWI257505B (en) * | 2004-06-04 | 2006-07-01 | Au Optronics Corp | Light module and liquid crystal display equipment |
TWI241441B (en) * | 2004-08-13 | 2005-10-11 | Innolux Display Corp | Light guide plate |
KR101189080B1 (ko) * | 2005-01-24 | 2012-11-09 | 삼성디스플레이 주식회사 | 반사판과 이를 포함하는 액정표시장치 |
TWI330288B (en) * | 2006-01-17 | 2010-09-11 | Au Optronics Corp | Backlight module |
JP2008029804A (ja) * | 2006-06-27 | 2008-02-14 | Family Co Ltd | マッサージ機 |
US7551243B2 (en) * | 2006-11-21 | 2009-06-23 | Honeywell International Inc. | Lens for increased light distribution uniformity in an LCD backlight |
DE102006060409B4 (de) | 2006-12-20 | 2021-06-24 | Osram Gmbh | Verfahren zur Herstellung eines Lichtleiters |
US20080188277A1 (en) | 2007-02-01 | 2008-08-07 | Ritter Janice E | Electronic Game Device And Method Of Using The Same |
US20090067194A1 (en) * | 2007-09-11 | 2009-03-12 | World Properties, Inc. | Light guide with imprinted phosphor |
US20090179870A1 (en) * | 2008-01-16 | 2009-07-16 | World Properties, Inc. | Luminous touch screen with interstitial layers |
JPWO2009157352A1 (ja) * | 2008-06-23 | 2011-12-08 | ソニー株式会社 | 面光源装置および表示装置 |
US20100142222A1 (en) * | 2008-12-04 | 2010-06-10 | World Properties, Inc. | Light guide with refractive layer |
JP2010205504A (ja) * | 2009-03-02 | 2010-09-16 | Hitachi Ltd | バックライト装置及びこれを用いた映像表示装置 |
US8248554B2 (en) | 2009-06-19 | 2012-08-21 | Apple Inc. | Edge-lit backlight unit with thin profile |
US7978407B1 (en) | 2009-06-27 | 2011-07-12 | Holovisions LLC | Holovision (TM) 3D imaging with rotating light-emitting members |
US8587498B2 (en) * | 2010-03-01 | 2013-11-19 | Holovisions LLC | 3D image display with binocular disparity and motion parallax |
DE102010019051A1 (de) | 2010-05-03 | 2011-11-03 | Osram Opto Semiconductors Gmbh | Flächenlichtleiter und Beleuchtungseinrichtung |
JP6002071B2 (ja) * | 2013-03-26 | 2016-10-05 | 株式会社東芝 | 照明装置及び導光部材 |
JP2017200514A (ja) * | 2016-05-02 | 2017-11-09 | 国立大学法人名古屋大学 | 治療器 |
KR102677258B1 (ko) * | 2016-11-14 | 2024-06-25 | 삼성전자주식회사 | 백 라이트 유닛 및 이를 포함하는 디스플레이 장치 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454135A1 (fr) * | 1979-04-13 | 1980-11-07 | Suisse Horlogerie | Structure de surface diffusante pour un guide de lumiere de dispositif d'affichage d'informations |
JPS5933077A (ja) * | 1982-08-18 | 1984-02-22 | Daifuku Co Ltd | 自動溶接機のダブルト−チ支持装置 |
JPS5933077U (ja) * | 1982-08-23 | 1984-02-29 | 株式会社小糸製作所 | 液晶表示器 |
JPS6229003A (ja) * | 1985-07-30 | 1987-02-07 | 株式会社トキメック | 背面反射式光拡散装置 |
GB2196100B (en) * | 1986-10-01 | 1990-07-04 | Mitsubishi Rayon Co | Light diffusing device |
CA1312320C (en) * | 1987-11-12 | 1993-01-05 | Makoto Oe | Plane light source unit |
JPH0748093B2 (ja) * | 1987-12-25 | 1995-05-24 | 三菱レイヨン株式会社 | 面光源素子 |
JP2891459B2 (ja) * | 1988-03-28 | 1999-05-17 | 東ソー株式会社 | バックライト |
JPH0731323B2 (ja) * | 1988-04-01 | 1995-04-10 | 三菱レイヨン株式会社 | 面光源素子 |
JPH0670882B2 (ja) * | 1988-08-23 | 1994-09-07 | 株式会社明拓システム | 単板使用エッジライトパネル |
US5283673A (en) * | 1989-09-30 | 1994-02-01 | Kabushiki Kaisha Meitaku Shisutemu | Surface luminous source panel with areas having different reflector speck densities |
US5093765A (en) * | 1990-02-16 | 1992-03-03 | Tosoh Corporation | Back lighting device for a panel |
US5134549A (en) * | 1990-06-19 | 1992-07-28 | Enplas Corporation | Surface light source device |
JP3204999B2 (ja) * | 1990-06-26 | 2001-09-04 | 株式会社スタンレー滋賀製作所 | エッジライトパネル |
-
1991
- 1991-09-12 KR KR1019920701097A patent/KR0141088B1/ko not_active IP Right Cessation
- 1991-09-12 EP EP91915978A patent/EP0500960B1/en not_active Expired - Lifetime
- 1991-09-12 CA CA002068422A patent/CA2068422A1/en not_active Abandoned
- 1991-09-12 DE DE69115678T patent/DE69115678T2/de not_active Expired - Fee Related
- 1991-09-12 WO PCT/JP1991/001211 patent/WO1992004648A1/ja active IP Right Grant
-
1994
- 1994-09-06 US US08/300,518 patent/US5550676A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2068422A1 (en) | 1992-03-13 |
WO1992004648A1 (en) | 1992-03-19 |
US5550676A (en) | 1996-08-27 |
DE69115678D1 (de) | 1996-02-01 |
EP0500960B1 (en) | 1995-12-20 |
DE69115678T2 (de) | 1996-07-18 |
KR920702503A (ko) | 1992-09-04 |
EP0500960A1 (en) | 1992-09-02 |
EP0500960A4 (en) | 1992-11-19 |
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