KR0178734B1 - 배면 프로젝션 텔레비젼세트의 투사스크린 - Google Patents
배면 프로젝션 텔레비젼세트의 투사스크린 Download PDFInfo
- Publication number
- KR0178734B1 KR0178734B1 KR1019950023463A KR19950023463A KR0178734B1 KR 0178734 B1 KR0178734 B1 KR 0178734B1 KR 1019950023463 A KR1019950023463 A KR 1019950023463A KR 19950023463 A KR19950023463 A KR 19950023463A KR 0178734 B1 KR0178734 B1 KR 0178734B1
- Authority
- KR
- South Korea
- Prior art keywords
- projection screen
- projection
- tempered glass
- lenticular lens
- light diffusing
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7408—Direct viewing projectors, e.g. an image displayed on a video CRT or LCD display being projected on a screen
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
- G03B21/625—Lenticular translucent screens
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/72—Modifying the appearance of television pictures by optical filters or diffusing screens
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Projection Apparatus (AREA)
Abstract
Description
Claims (5)
- 배면 프로젝션 텔레비젼세트에서의 투사스크린에 있어서, 입사되는 영상광을 상기 투사스크린의 광축을 중심으로 집중시키는 프레넬렌즈; 및 상기 프레넬렌즈로부터 수신되는 영상광을 확산시키는 렌티큘러렌즈부를 포함하며 그 외측표면부가 강화유리로 구성된 광확산부재를 포함하는 투사스크린.
- 제1항에 있어서, 상기 광확산부재의 렌티큘러렌즈부는 상기 강화유리를 부식처리하여 형성된 투사스크린.
- 제1항에 있어서, 상기 광확산부재의 렌티큘러렌즈부는 상기 강화유리의 표면에 코팅된 광확산기능을 갖는 물질인 투사스크린.
- 제1항에 있어서, 상기 광확산부재의 렌티큘러렌즈부는 상기 강화유리의 표면에 부착된 마이크로렌즈, 필름중의 하나인 투사스크린.
- 제1항에 있어서, 상기 프레넬렌즈와 상기 광확산부재는 가압성형에 의해 일체화된 투사스크린.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950023463A KR0178734B1 (ko) | 1995-07-31 | 1995-07-31 | 배면 프로젝션 텔레비젼세트의 투사스크린 |
| US08/686,404 US5844715A (en) | 1995-07-31 | 1996-07-25 | Projection screen for rear projection television set |
| DE19630736A DE19630736B4 (de) | 1995-07-31 | 1996-07-30 | Projektionsschirm für Rückwärtsprojektions-Fernsehgerät |
| JP8200856A JP3004208B2 (ja) | 1995-07-31 | 1996-07-30 | 背面プロジェクションtvセットの投射スクリーン |
| CN96109257A CN1097749C (zh) | 1995-07-31 | 1996-07-31 | 背面投影电视装置的投影屏幕 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950023463A KR0178734B1 (ko) | 1995-07-31 | 1995-07-31 | 배면 프로젝션 텔레비젼세트의 투사스크린 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970009334A KR970009334A (ko) | 1997-02-24 |
| KR0178734B1 true KR0178734B1 (ko) | 1999-05-01 |
Family
ID=19422424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950023463A Expired - Fee Related KR0178734B1 (ko) | 1995-07-31 | 1995-07-31 | 배면 프로젝션 텔레비젼세트의 투사스크린 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5844715A (ko) |
| JP (1) | JP3004208B2 (ko) |
| KR (1) | KR0178734B1 (ko) |
| CN (1) | CN1097749C (ko) |
| DE (1) | DE19630736B4 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100422707B1 (ko) * | 2001-09-21 | 2004-03-16 | 엘지전자 주식회사 | 프로젝션 tv의 투과형 스크린 |
| KR100738292B1 (ko) * | 1998-09-10 | 2007-07-12 | 톰슨 콘슈머 일렉트로닉스, 인코포레이티드 | 후미 외장형 프레넬 렌즈를 구비한 홀로그래픽 투사 스크린 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6969635B2 (en) | 2000-12-07 | 2005-11-29 | Reflectivity, Inc. | Methods for depositing, releasing and packaging micro-electromechanical devices on wafer substrates |
| US6076933A (en) * | 1996-10-08 | 2000-06-20 | Jenmar Visual Systems | Light transmitting and dispersing filter having low reflectance |
| US6600599B2 (en) | 1998-06-09 | 2003-07-29 | Avery Dennison Corporation | Rear projection screens and light filters with conformable coatings and methods of making the same |
| US6962419B2 (en) | 1998-09-24 | 2005-11-08 | Reflectivity, Inc | Micromirror elements, package for the micromirror elements, and projection system therefor |
| US6462794B1 (en) * | 1998-10-14 | 2002-10-08 | Hitachi, Ltd. | Image forming unit, enlarging unit, optical parts, and image display apparatus having these components |
| JP2000284217A (ja) * | 1999-03-31 | 2000-10-13 | Nippon Sheet Glass Co Ltd | 正立変倍アレイレンズ装置 |
| US7006275B2 (en) | 2000-08-30 | 2006-02-28 | Reflectivity, Inc | Packaged micromirror array for a projection display |
| US6844970B2 (en) * | 2001-05-03 | 2005-01-18 | General Electric Company | Projection television set, screens, and method |
| EP1410755A4 (en) | 2001-06-15 | 2009-01-28 | Sumitomo Osaka Cement Co Ltd | CONTROL DEVICE |
| US7023606B2 (en) | 2001-08-03 | 2006-04-04 | Reflectivity, Inc | Micromirror array for projection TV |
| US7362386B2 (en) * | 2002-08-06 | 2008-04-22 | Toshiba America Consumer Products, L.L.C. | Integrated structural screen panel for projection television |
| US7042622B2 (en) | 2003-10-30 | 2006-05-09 | Reflectivity, Inc | Micromirror and post arrangements on substrates |
| KR100776003B1 (ko) * | 2003-11-13 | 2007-11-15 | 삼성전자주식회사 | 프로젝션 텔레비젼 및 그 제조방법 |
| KR100743283B1 (ko) * | 2004-03-11 | 2007-07-26 | 엘지전자 주식회사 | 프로젝션 티브이의 외광 차단장치 |
| US20090180077A1 (en) * | 2004-09-22 | 2009-07-16 | Koninklijke Philips Electronics, N.V. | Rear projection screen based electronic window |
| DE102022210445A1 (de) | 2022-09-30 | 2024-04-04 | Continental Automotive Technologies GmbH | Anzeigeeinrichtung mit Diffusor |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5251538Y2 (ko) * | 1972-04-25 | 1977-11-22 | ||
| JPS5738897B2 (ko) * | 1974-11-19 | 1982-08-18 | ||
| JPS5662238A (en) * | 1979-10-25 | 1981-05-28 | Asahi Glass Co Ltd | See-through type bright view screen |
| JPS56106237A (en) * | 1980-01-29 | 1981-08-24 | Matsushita Electric Ind Co Ltd | Transmissive screen and its manufacture |
| US4452509A (en) * | 1982-04-28 | 1984-06-05 | Rca Corporation | Projection television screen having a selected audience envelope |
| FR2540639A1 (fr) * | 1983-02-08 | 1984-08-10 | Thomson Csf | Dispositif de visualisation cathodique couleur equipe d'un element holographique et procede de fabrication de cet element |
| JPH0222637A (ja) * | 1988-07-11 | 1990-01-25 | Asahi Chem Ind Co Ltd | 新規なスクリーン |
| JPH0313930A (ja) * | 1989-06-13 | 1991-01-22 | Seiko Epson Corp | 背面投射型表示装置 |
| JPH03112236A (ja) * | 1989-09-26 | 1991-05-13 | Nec Corp | セル多重化方式 |
| EP0450780A3 (en) * | 1990-04-05 | 1992-04-15 | Matsushita Electric Industrial Co., Ltd. | Optical microelement array and its production method |
| US5400114A (en) * | 1991-09-05 | 1995-03-21 | Hitachi, Ltd. | Rear-projection screen and a rear projection image display employing the rear-projection screen |
| DE4130930A1 (de) * | 1991-09-13 | 1993-03-25 | Flachglas Ag | Vorsatzaggregat fuer bildschirme oder dergleichen |
| JPH0638151A (ja) * | 1992-07-14 | 1994-02-10 | Pioneer Electron Corp | プロジェクションテレビのスクリーン装置 |
| US5289311A (en) * | 1992-08-14 | 1994-02-22 | Rca Thomson Licensing Corp. | Optical element such as a rear projection screen for an image display device and method of producing same |
| JP3012236U (ja) * | 1994-12-08 | 1995-06-13 | 株式会社学習研究社 | シューズラック |
-
1995
- 1995-07-31 KR KR1019950023463A patent/KR0178734B1/ko not_active Expired - Fee Related
-
1996
- 1996-07-25 US US08/686,404 patent/US5844715A/en not_active Expired - Lifetime
- 1996-07-30 DE DE19630736A patent/DE19630736B4/de not_active Expired - Fee Related
- 1996-07-30 JP JP8200856A patent/JP3004208B2/ja not_active Expired - Fee Related
- 1996-07-31 CN CN96109257A patent/CN1097749C/zh not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100738292B1 (ko) * | 1998-09-10 | 2007-07-12 | 톰슨 콘슈머 일렉트로닉스, 인코포레이티드 | 후미 외장형 프레넬 렌즈를 구비한 홀로그래픽 투사 스크린 |
| KR100422707B1 (ko) * | 2001-09-21 | 2004-03-16 | 엘지전자 주식회사 | 프로젝션 tv의 투과형 스크린 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR970009334A (ko) | 1997-02-24 |
| CN1147744A (zh) | 1997-04-16 |
| JPH09133971A (ja) | 1997-05-20 |
| DE19630736B4 (de) | 2006-09-21 |
| JP3004208B2 (ja) | 2000-01-31 |
| DE19630736A1 (de) | 1997-02-06 |
| CN1097749C (zh) | 2003-01-01 |
| US5844715A (en) | 1998-12-01 |
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