CA2244439C - Feuille d'ajustement de la lumiere ayant une surface sinusoidale et une surface a aplatissement non-optique utilisable avec un afficheur a cristaux liquides - Google Patents
Feuille d'ajustement de la lumiere ayant une surface sinusoidale et une surface a aplatissement non-optique utilisable avec un afficheur a cristaux liquides Download PDFInfo
- Publication number
- CA2244439C CA2244439C CA002244439A CA2244439A CA2244439C CA 2244439 C CA2244439 C CA 2244439C CA 002244439 A CA002244439 A CA 002244439A CA 2244439 A CA2244439 A CA 2244439A CA 2244439 C CA2244439 C CA 2244439C
- Authority
- CA
- Canada
- Prior art keywords
- light
- convex
- concave
- lighting device
- adjusting sheet
- 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 - Fee Related
Links
Landscapes
- Liquid Crystal (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11864/92 | 1992-01-27 | ||
JP4011864A JP2723414B2 (ja) | 1992-01-27 | 1992-01-27 | 面状発光装置 |
JP4114781A JP2705868B2 (ja) | 1992-05-07 | 1992-05-07 | 面状発光装置用調光シートおよびこれを備えた液晶表示装置 |
JP114781/92 | 1992-05-07 | ||
JP199576/92 | 1992-07-27 | ||
JP4199576A JPH0643310A (ja) | 1992-07-27 | 1992-07-27 | 面光源装置用フィルム又はシート |
CA002088113A CA2088113C (fr) | 1992-01-27 | 1993-01-26 | Feuille de reglage de l'eclairement pour dispositif d'eclairage planar et dispositif d'eclairage planar et afficheur a cristaux liquides utilisant cette feuille |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002088113A Division CA2088113C (fr) | 1992-01-27 | 1993-01-26 | Feuille de reglage de l'eclairement pour dispositif d'eclairage planar et dispositif d'eclairage planar et afficheur a cristaux liquides utilisant cette feuille |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2244439C true CA2244439C (fr) | 2000-08-08 |
Family
ID=29424563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002244439A Expired - Fee Related CA2244439C (fr) | 1992-01-27 | 1993-01-26 | Feuille d'ajustement de la lumiere ayant une surface sinusoidale et une surface a aplatissement non-optique utilisable avec un afficheur a cristaux liquides |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2244439C (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7719635B2 (en) | 2006-06-21 | 2010-05-18 | Fujifilm Corporation | Optical sheet and manufacturing method thereof, backlight, liquid crystal display |
JP2012199063A (ja) * | 2011-03-22 | 2012-10-18 | Toppan Printing Co Ltd | 照明装置及びそれを備えた液晶ディスプレイ装置 |
-
1993
- 1993-01-26 CA CA002244439A patent/CA2244439C/fr not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7719635B2 (en) | 2006-06-21 | 2010-05-18 | Fujifilm Corporation | Optical sheet and manufacturing method thereof, backlight, liquid crystal display |
JP2012199063A (ja) * | 2011-03-22 | 2012-10-18 | Toppan Printing Co Ltd | 照明装置及びそれを備えた液晶ディスプレイ装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20130128 |