KR100730879B1 - 투사형 영상 표시 장치 - Google Patents
투사형 영상 표시 장치 Download PDFInfo
- Publication number
- KR100730879B1 KR100730879B1 KR1020050065109A KR20050065109A KR100730879B1 KR 100730879 B1 KR100730879 B1 KR 100730879B1 KR 1020050065109 A KR1020050065109 A KR 1020050065109A KR 20050065109 A KR20050065109 A KR 20050065109A KR 100730879 B1 KR100730879 B1 KR 100730879B1
- Authority
- KR
- South Korea
- Prior art keywords
- display device
- main body
- liquid crystal
- body case
- image display
- Prior art date
Links
Images
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
-
- 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
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3144—Cooling systems
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Liquid Crystal (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (3)
- 본체 케이스 내에 수납된 광원으로부터 출사된 광을 표시 디바이스를 통하여 본체 케이스 외에 영상을 투사하는 투사형 영상 표시 장치로서, 표시 디바이스를 냉각하는 냉각 팬과, 냉각 팬의 구동에 의해 발생한 바람을 표시 디바이스까지 안내하는 공기 유로를 구비하고, 적어도 상기 표시 디바이스에 대응하는 위치의 본체 케이스의 바닥면에는, 공기유로를 통하여 표시 디바이스와 외기를 연통시키는 개구 구멍이 상기 표시 디바이스의 입사측 편광판과 패널부 및 출사측 편광판 사이에 형성되어 있는 것을 특징으로 하는 투사형 영상 표시 장치.
- 삭제
- 제1항에 있어서,상기 개구 구멍은, 착탈 자재(自在)인 폐색 부재에 의해 폐색되어 있는 것을 특징으로 하는 투사형 영상 표시 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2004-00212581 | 2004-07-21 | ||
JP2004212581A JP4511269B2 (ja) | 2004-07-21 | 2004-07-21 | 投写型映像表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060053877A KR20060053877A (ko) | 2006-05-22 |
KR100730879B1 true KR100730879B1 (ko) | 2007-06-20 |
Family
ID=35106762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050065109A KR100730879B1 (ko) | 2004-07-21 | 2005-07-19 | 투사형 영상 표시 장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7753566B2 (ko) |
EP (1) | EP1619890A3 (ko) |
JP (1) | JP4511269B2 (ko) |
KR (1) | KR100730879B1 (ko) |
CN (1) | CN100451823C (ko) |
TW (1) | TWI314239B (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5159572B2 (ja) * | 2008-11-13 | 2013-03-06 | 三菱電機株式会社 | 映像表示装置 |
JP2010181587A (ja) * | 2009-02-05 | 2010-08-19 | Sony Corp | 光変調装置および投射型表示装置 |
JP5041390B2 (ja) * | 2009-03-26 | 2012-10-03 | Necディスプレイソリューションズ株式会社 | 冷却装置の制御方法、冷却装置および投射型表示装置 |
JP2011123177A (ja) * | 2009-12-09 | 2011-06-23 | Sanyo Electric Co Ltd | 投写型映像表示装置 |
US8585242B2 (en) * | 2010-02-04 | 2013-11-19 | Sternberg Lanterns, Inc. | Lighting system with light-emitting diodes and securing structure |
CN102854720B (zh) * | 2011-06-30 | 2014-10-22 | 中强光电股份有限公司 | 除尘模组及投影装置 |
CN104028504A (zh) * | 2013-03-04 | 2014-09-10 | 台达电子工业股份有限公司 | 适用于投影装置的清洁模块 |
US10319364B2 (en) * | 2017-05-18 | 2019-06-11 | Telepathy Labs, Inc. | Artificial intelligence-based text-to-speech system and method |
CN113433780B (zh) * | 2021-05-17 | 2022-09-30 | 重庆市永川职业教育中心 | 一种适用于电子技术应用的教学演示器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003063778A (ja) * | 2001-08-28 | 2003-03-05 | Tadano Ltd | 移動式クレーン |
JP2021004669A (ja) * | 2019-06-27 | 2021-01-14 | 株式会社フジキン | 流体制御装置 |
Family Cites Families (24)
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GB300449A (en) | 1928-03-12 | 1928-11-15 | Edward George Turner | Improvements in and connected with safety devices for use with kinematograph projectors |
US3433564A (en) * | 1966-06-15 | 1969-03-18 | Ibm | Vacuum transparency holder and optics |
US3872235A (en) * | 1974-02-04 | 1975-03-18 | Lawrence Peska Ass Inc | Inflatable housing for an electricity consuming device |
US4008654A (en) * | 1975-06-04 | 1977-02-22 | Emerson Electric Co. | Adjustable air blade for air handling luminaires |
JPS61149942A (ja) * | 1984-12-25 | 1986-07-08 | Canon Inc | フイルム投影装置 |
JPH07122698B2 (ja) * | 1988-02-25 | 1995-12-25 | 松下電器産業株式会社 | 投写型表示装置 |
JPH04130952U (ja) * | 1991-05-23 | 1992-12-01 | 横河電機株式会社 | 液晶投影機 |
JPH0553200A (ja) * | 1991-08-28 | 1993-03-05 | Toshiba Corp | 投写型映像表示装置 |
JPH063644A (ja) * | 1992-06-23 | 1994-01-14 | Casio Comput Co Ltd | 液晶プロジェクタ |
JPH09189962A (ja) * | 1996-01-09 | 1997-07-22 | Hitachi Ltd | 投写形表示装置 |
US6109767A (en) * | 1996-03-29 | 2000-08-29 | Minnesota Mining And Manufacturing Company | Honeycomb light and heat trap for projector |
TW461949B (en) * | 1997-07-31 | 2001-11-01 | Plus Kk | Lamp cartridge |
JP2000321668A (ja) * | 1999-05-13 | 2000-11-24 | Sony Corp | 画像表示装置および方法 |
JP2001133885A (ja) * | 1999-08-26 | 2001-05-18 | Mitsubishi Electric Corp | プロジェクター |
JP2002006283A (ja) * | 2000-06-27 | 2002-01-09 | Toshiba Corp | 液晶プロジェクター装置 |
JP3664065B2 (ja) * | 2000-09-29 | 2005-06-22 | セイコーエプソン株式会社 | 光源装置およびプロジェクタ |
JP2002258399A (ja) * | 2001-02-28 | 2002-09-11 | Mitsubishi Electric Corp | 投写型画像表示装置 |
JP3467697B2 (ja) | 2001-05-16 | 2003-11-17 | セイコーエプソン株式会社 | 電気光学装置の冷却装置およびプロジェクタ |
JP4796709B2 (ja) * | 2001-05-25 | 2011-10-19 | Necディスプレイソリューションズ株式会社 | 液晶プロジェクタ |
JP3977054B2 (ja) * | 2001-11-01 | 2007-09-19 | キヤノン株式会社 | プロジェクター装置 |
JP2003337377A (ja) * | 2002-03-13 | 2003-11-28 | Seiko Epson Corp | リアプロジェクタ |
JP3758622B2 (ja) * | 2002-08-08 | 2006-03-22 | セイコーエプソン株式会社 | 光学装置、光学ユニット、および、プロジェクタ |
WO2004110048A2 (en) * | 2003-06-02 | 2004-12-16 | Infocus Corporation | Injection-molded vent screens |
JP4265289B2 (ja) * | 2003-06-05 | 2009-05-20 | 株式会社日立製作所 | 投写型表示装置 |
-
2004
- 2004-07-21 JP JP2004212581A patent/JP4511269B2/ja not_active Expired - Fee Related
-
2005
- 2005-05-25 TW TW094117006A patent/TWI314239B/zh not_active IP Right Cessation
- 2005-07-06 CN CNB2005100826667A patent/CN100451823C/zh not_active Expired - Fee Related
- 2005-07-19 KR KR1020050065109A patent/KR100730879B1/ko active IP Right Grant
- 2005-07-20 EP EP05015786A patent/EP1619890A3/en not_active Withdrawn
- 2005-07-20 US US11/184,876 patent/US7753566B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003063778A (ja) * | 2001-08-28 | 2003-03-05 | Tadano Ltd | 移動式クレーン |
JP2021004669A (ja) * | 2019-06-27 | 2021-01-14 | 株式会社フジキン | 流体制御装置 |
Non-Patent Citations (2)
Title |
---|
공개특허 제2003-63778호 |
등록실용신안 제20-214669호 |
Also Published As
Publication number | Publication date |
---|---|
JP2006030827A (ja) | 2006-02-02 |
KR20060053877A (ko) | 2006-05-22 |
CN1725102A (zh) | 2006-01-25 |
EP1619890A3 (en) | 2007-12-05 |
TW200604711A (en) | 2006-02-01 |
TWI314239B (en) | 2009-09-01 |
JP4511269B2 (ja) | 2010-07-28 |
US7753566B2 (en) | 2010-07-13 |
CN100451823C (zh) | 2009-01-14 |
US20060018124A1 (en) | 2006-01-26 |
EP1619890A2 (en) | 2006-01-25 |
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