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
Links
- 239000005341 toughened glass Substances 0.000 claims abstract description 15
- 230000003287 optical effect Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 239000002253 acid Substances 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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 |
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 |
DE19630736A DE19630736B4 (de) | 1995-07-31 | 1996-07-30 | Projektionsschirm für Rückwärtsprojektions-Fernsehgerät |
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 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 (14)
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 |
US7172296B2 (en) | 2000-08-30 | 2007-02-06 | Reflectivity, Inc | Projection display |
US6844970B2 (en) * | 2001-05-03 | 2005-01-18 | General Electric Company | Projection television set, screens, and method |
US7428468B2 (en) | 2001-06-15 | 2008-09-23 | Sumitomo Osaka Cement Co., Ltd. | Monitoring apparatus |
US7362386B2 (en) * | 2002-08-06 | 2008-04-22 | Toshiba America Consumer Products, L.L.C. | Integrated structural screen panel for projection television |
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 IP Right Cessation
-
1996
- 1996-07-25 US US08/686,404 patent/US5844715A/en not_active Expired - Lifetime
- 1996-07-30 JP JP8200856A patent/JP3004208B2/ja not_active Expired - Fee Related
- 1996-07-30 DE DE19630736A patent/DE19630736B4/de 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 |
---|---|
CN1147744A (zh) | 1997-04-16 |
DE19630736B4 (de) | 2006-09-21 |
US5844715A (en) | 1998-12-01 |
JPH09133971A (ja) | 1997-05-20 |
JP3004208B2 (ja) | 2000-01-31 |
DE19630736A1 (de) | 1997-02-06 |
KR970009334A (ko) | 1997-02-24 |
CN1097749C (zh) | 2003-01-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR0178734B1 (ko) | 배면 프로젝션 텔레비젼세트의 투사스크린 | |
JP3655972B2 (ja) | 反射型スクリーン及び前方投影システム | |
US4468092A (en) | Rear projection screen | |
US4431266A (en) | Optical refractor for diffusing light | |
EP1729172A1 (en) | Rear projection type screen | |
JP2009169006A (ja) | 反射型スクリーン | |
JP2009521711A (ja) | 高コントラスト投写スクリーン | |
JP2008076524A (ja) | 映像表示装置 | |
JP2749156B2 (ja) | 反射形スクリーン及びこれを用いた表示装置 | |
JP2858743B2 (ja) | ホログラフィックスクリーン | |
JP2001005103A (ja) | 背面投射型スクリーンとその製造方法及び背面投射型ディスプレイ | |
US20050018286A1 (en) | Image display screen having wide vertical and horizontal viewing angles and projection television including the same | |
US6002500A (en) | Holographic screen including convex protrusions | |
JPH032742A (ja) | 透過形スクリーン | |
KR100289721B1 (ko) | 프로젝터용스크린 | |
JP4867167B2 (ja) | 透過型スクリーンおよび背面投射型ディスプレイ装置 | |
JPH11133508A (ja) | 透過型スクリーン | |
JP2001228547A (ja) | 背面投射型スクリーンおよび背面投射型ディスプレイ | |
JP2002169227A (ja) | 背面投射型ディスプレイ | |
JPS5923334A (ja) | 透過式スクリ−ン | |
JPS63191140A (ja) | 透過型プロジエクシヨンテレビ用透過型スクリ−ン | |
JPH07244279A (ja) | 画像表示装置 | |
JP2001110219A (ja) | 面光源及び液晶表示装置 | |
JPH04270334A (ja) | 透過型投影スクリーン | |
JP2000250138A (ja) | 透過型スクリーン |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19950731 |
|
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19950731 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19980718 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19980930 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19981124 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19981124 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20011030 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20021031 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20031030 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20041029 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20051028 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20061030 Start annual number: 9 End annual number: 9 |
|
FPAY | Annual fee payment |
Payment date: 20071030 Year of fee payment: 10 |
|
PR1001 | Payment of annual fee |
Payment date: 20071030 Start annual number: 10 End annual number: 10 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20091010 |