JPH0327909B2 - - Google Patents
Info
- Publication number
- JPH0327909B2 JPH0327909B2 JP59277625A JP27762584A JPH0327909B2 JP H0327909 B2 JPH0327909 B2 JP H0327909B2 JP 59277625 A JP59277625 A JP 59277625A JP 27762584 A JP27762584 A JP 27762584A JP H0327909 B2 JPH0327909 B2 JP H0327909B2
- Authority
- JP
- Japan
- Prior art keywords
- light source
- light
- prism plate
- fresnel prism
- linear fresnel
- 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.)
- Expired - Lifetime
Links
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 description 14
- 239000004973 liquid crystal related substance Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59277625A JPS61158367A (ja) | 1984-12-29 | 1984-12-29 | 照明装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59277625A JPS61158367A (ja) | 1984-12-29 | 1984-12-29 | 照明装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61158367A JPS61158367A (ja) | 1986-07-18 |
| JPH0327909B2 true JPH0327909B2 (ru) | 1991-04-17 |
Family
ID=17586029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59277625A Granted JPS61158367A (ja) | 1984-12-29 | 1984-12-29 | 照明装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61158367A (ru) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0778561B2 (ja) * | 1987-06-24 | 1995-08-23 | 信越ポリマ−株式会社 | バックライト装置 |
| JPH01126627A (ja) * | 1987-11-11 | 1989-05-18 | Hitachi Ltd | 液晶表示装置 |
| JPH03144486A (ja) * | 1989-10-31 | 1991-06-19 | Enplas Corp | 面光源装置 |
| JP2803899B2 (ja) * | 1990-08-23 | 1998-09-24 | 三菱電機株式会社 | 液晶表示装置 |
| US5150966A (en) * | 1990-09-19 | 1992-09-29 | Minnesota Mining And Manufacturing Company | Uniform intensity profile catadioptric lens |
| JP2723481B2 (ja) * | 1995-04-07 | 1998-03-09 | 株式会社光エネルギ応用研究所 | 平面状照明装置 |
| US6224223B1 (en) | 1997-12-22 | 2001-05-01 | Casio Computer Co., Ltd. | Illumination panel and display device using the same |
| US6356391B1 (en) | 1999-10-08 | 2002-03-12 | 3M Innovative Properties Company | Optical film with variable angle prisms |
| US6845212B2 (en) | 1999-10-08 | 2005-01-18 | 3M Innovative Properties Company | Optical element having programmed optical structures |
| US7046905B1 (en) | 1999-10-08 | 2006-05-16 | 3M Innovative Properties Company | Blacklight with structured surfaces |
| US6447135B1 (en) | 1999-10-08 | 2002-09-10 | 3M Innovative Properties Company | Lightguide having a directly secured reflector and method of making the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51130190A (en) * | 1975-05-06 | 1976-11-12 | Hitachi Ltd | Liquid crystal display |
-
1984
- 1984-12-29 JP JP59277625A patent/JPS61158367A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51130190A (en) * | 1975-05-06 | 1976-11-12 | Hitachi Ltd | Liquid crystal display |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61158367A (ja) | 1986-07-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |