JPS6480985A - Backlight device - Google Patents
Backlight deviceInfo
- Publication number
- JPS6480985A JPS6480985A JP62237139A JP23713987A JPS6480985A JP S6480985 A JPS6480985 A JP S6480985A JP 62237139 A JP62237139 A JP 62237139A JP 23713987 A JP23713987 A JP 23713987A JP S6480985 A JPS6480985 A JP S6480985A
- Authority
- JP
- Japan
- Prior art keywords
- light
- emission surface
- light emission
- film
- productivity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
-
- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/28—Structurally-combined illuminating devices
-
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62237139A JPS6480985A (en) | 1987-09-24 | 1987-09-24 | Backlight device |
KR1019880009782A KR910008094B1 (ko) | 1987-09-24 | 1988-08-01 | 백라이트장치 |
US07/247,650 US4916580A (en) | 1987-09-24 | 1988-09-22 | Back-light device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62237139A JPS6480985A (en) | 1987-09-24 | 1987-09-24 | Backlight device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6480985A true JPS6480985A (en) | 1989-03-27 |
Family
ID=17010982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62237139A Pending JPS6480985A (en) | 1987-09-24 | 1987-09-24 | Backlight device |
Country Status (3)
Country | Link |
---|---|
US (1) | US4916580A (ja) |
JP (1) | JPS6480985A (ja) |
KR (1) | KR910008094B1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02284343A (ja) * | 1989-03-22 | 1990-11-21 | Toshiba Lighting & Technol Corp | 照明装置 |
US5854662A (en) * | 1992-06-01 | 1998-12-29 | Casio Computer Co., Ltd. | Driver for plane fluorescent panel and television receiver having liquid crystal display with backlight of the plane fluorescent panel |
US5346207A (en) * | 1993-07-12 | 1994-09-13 | Calvin Heinen | Illuminated backboard |
US6992733B1 (en) * | 1997-04-11 | 2006-01-31 | Micron Technology, Inc. | Backlighting system for an LCD |
US6416201B1 (en) * | 2000-03-31 | 2002-07-09 | 3M Innovative Properties Company | Illuminated sign with lamp masks for uniform illumination |
TW200424475A (en) * | 2003-05-07 | 2004-11-16 | Au Optronics Corp | Back light module |
GB0522388D0 (en) * | 2005-11-02 | 2005-12-14 | Ether Tec Internat | Improved illuminated display unit |
TWI307801B (en) * | 2006-02-24 | 2009-03-21 | Delta Electronics Inc | Backlight module and illuminant device |
CN103929951B (zh) * | 2011-09-26 | 2017-06-09 | 未来农业控股协会 | 加热灯 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2275621A (en) * | 1940-09-10 | 1942-03-10 | Ibm | Illuminated dial |
US4222435A (en) * | 1977-04-19 | 1980-09-16 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Air conditioning display system for vehicles |
US4403216A (en) * | 1980-12-11 | 1983-09-06 | Nintendo Co., Ltd. | Display |
US4766524A (en) * | 1986-02-07 | 1988-08-23 | Hitachi, Ltd. | Back light device for uniformly illuminating a liquid crystal display plate |
JPH06134188A (ja) * | 1992-10-27 | 1994-05-17 | Mitsubishi Heavy Ind Ltd | 衣料乾燥機 |
-
1987
- 1987-09-24 JP JP62237139A patent/JPS6480985A/ja active Pending
-
1988
- 1988-08-01 KR KR1019880009782A patent/KR910008094B1/ko not_active IP Right Cessation
- 1988-09-22 US US07/247,650 patent/US4916580A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR890006055A (ko) | 1989-05-18 |
KR910008094B1 (ko) | 1991-10-07 |
US4916580A (en) | 1990-04-10 |
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