JPS5188042A - - Google Patents
Info
- Publication number
- JPS5188042A JPS5188042A JP50012799A JP1279975A JPS5188042A JP S5188042 A JPS5188042 A JP S5188042A JP 50012799 A JP50012799 A JP 50012799A JP 1279975 A JP1279975 A JP 1279975A JP S5188042 A JPS5188042 A JP S5188042A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Optical Elements Other Than Lenses (AREA)
- Planar Illumination Modules (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50012799A JPS5817957B2 (ja) | 1975-01-30 | 1975-01-30 | ヒカリカクサンソウチ |
US05/652,574 US4059916A (en) | 1975-01-30 | 1976-01-26 | Light diffusing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50012799A JPS5817957B2 (ja) | 1975-01-30 | 1975-01-30 | ヒカリカクサンソウチ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5188042A true JPS5188042A (ja) | 1976-08-02 |
JPS5817957B2 JPS5817957B2 (ja) | 1983-04-11 |
Family
ID=11815427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50012799A Expired JPS5817957B2 (ja) | 1975-01-30 | 1975-01-30 | ヒカリカクサンソウチ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5817957B2 (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51104294A (ja) * | 1975-03-12 | 1976-09-14 | Hitachi Ltd | Ekishohyojisochi |
JPS51148275U (ja) * | 1975-05-22 | 1976-11-27 | ||
JPS5376937U (ja) * | 1976-11-30 | 1978-06-27 | ||
JPS5713478A (en) * | 1980-06-26 | 1982-01-23 | Epson Corp | Back light structure for display unit |
JPS5754980A (en) * | 1980-09-19 | 1982-04-01 | Tokyo Shibaura Electric Co | Liquid crystal display unit |
JPS63239702A (ja) * | 1987-03-27 | 1988-10-05 | 株式会社小糸製作所 | 装飾用レンズ照明装置 |
JPH0348280A (ja) * | 1990-01-19 | 1991-03-01 | Seiko Epson Corp | 表示体用照明装置 |
USRE33987E (en) * | 1980-03-24 | 1992-07-07 | Seiko Epson Corporation | Backlighted liquid crystal display |
JPH05264819A (ja) * | 1992-09-07 | 1993-10-15 | Seiko Epson Corp | 平面光源 |
JP2002245828A (ja) * | 2001-02-21 | 2002-08-30 | Nippon Leiz Co Ltd | 平面照明装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW393582B (en) | 1995-12-05 | 2000-06-11 | Matsushita Electric Ind Co Ltd | Backlighting device and color display device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS491253A (ja) * | 1972-03-10 | 1974-01-08 | ||
JPS4965172U (ja) * | 1972-09-19 | 1974-06-07 |
-
1975
- 1975-01-30 JP JP50012799A patent/JPS5817957B2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS491253A (ja) * | 1972-03-10 | 1974-01-08 | ||
JPS4965172U (ja) * | 1972-09-19 | 1974-06-07 |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5722111B2 (ja) * | 1975-03-12 | 1982-05-11 | ||
JPS51104294A (ja) * | 1975-03-12 | 1976-09-14 | Hitachi Ltd | Ekishohyojisochi |
JPS51148275U (ja) * | 1975-05-22 | 1976-11-27 | ||
JPS5825405Y2 (ja) * | 1975-05-22 | 1983-05-31 | 日本電産コパル株式会社 | シヨウメイソウチツキエキシヨウヒヨウジソウチ |
JPS5376937U (ja) * | 1976-11-30 | 1978-06-27 | ||
USRE33987E (en) * | 1980-03-24 | 1992-07-07 | Seiko Epson Corporation | Backlighted liquid crystal display |
JPS5713478A (en) * | 1980-06-26 | 1982-01-23 | Epson Corp | Back light structure for display unit |
JPH0372968B2 (ja) * | 1980-06-26 | 1991-11-20 | Seiko Epson Corp | |
JPS5754980A (en) * | 1980-09-19 | 1982-04-01 | Tokyo Shibaura Electric Co | Liquid crystal display unit |
JPS63239702A (ja) * | 1987-03-27 | 1988-10-05 | 株式会社小糸製作所 | 装飾用レンズ照明装置 |
JPH046043B2 (ja) * | 1987-03-27 | 1992-02-04 | Koito Mfg Co Ltd | |
JPH0348280A (ja) * | 1990-01-19 | 1991-03-01 | Seiko Epson Corp | 表示体用照明装置 |
JPH0474712B2 (ja) * | 1990-01-19 | 1992-11-26 | ||
JPH05264819A (ja) * | 1992-09-07 | 1993-10-15 | Seiko Epson Corp | 平面光源 |
JP2002245828A (ja) * | 2001-02-21 | 2002-08-30 | Nippon Leiz Co Ltd | 平面照明装置 |
JP4511062B2 (ja) * | 2001-02-21 | 2010-07-28 | 日本ライツ株式会社 | 平面照明装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS5817957B2 (ja) | 1983-04-11 |