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1. (WO2005064397) OPTICAL DEVICE AND PROJECTOR
PCT Biblio. Data
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Pub. No.:
WO/2005/064397
International Application No.:
PCT/JP2004/019558
Publication Date:
14.07.2005
International Filing Date:
27.12.2004
IPC:
G03B 21/16
(2006.01),
G03B 21/26
(2006.01)
G
PHYSICS
03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
B
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
21
Projectors or projection-type viewers; Accessories therefor
14
Details
16
Cooling; Preventing overheating
G
PHYSICS
03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
B
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
21
Projectors or projection-type viewers; Accessories therefor
14
Details
26
Projecting separately subsidiary matter simultaneously with main image
Applicants:
SEIKO EPSON CORPORATION
[JP/JP]; 4-1, Nishishinjuku 2-chome Shinjuku-ku Tokyo 1630811 (JP)
Inventors:
FUJIMORI, Motoyuki
; (JP).
MURATA, Masami
; (JP)
Agent:
KINOSHITA, Jitsuzo
; 3rd. floor, Ogikubo TM building, 26-13, Ogikubo 5-chome, Suginami-ku Tokyo 1670051 (JP)
Priority Data:
2003-433306
26.12.2003
JP
Title
(EN)
OPTICAL DEVICE AND PROJECTOR
(FR)
DISPOSITIF OPTIQUE ET PROJECTEUR
(JA)
光学装置、およびプロジェクタ
Abstract:
(EN)
An optical device body (440) has three bodies (446) for holding optical modulation elements, fluid circulating members (448), and flow rate changing sections (449). The three optical modulation element holding bodies (446) hold three liquid crystal panels (441) individually. In each optical modulation element holding body (446) is formed a cooling chamber inside which a cooling fluid is sealed, and each optical modulation element holding body (446) individually cools each liquid crystal panel (441) by the cooling fluid in each cooling chamber. The fluid circulating members (448) are communicated with the three optical modulation element holding bodies (446), guide the cooling fluid to the outside of each cooling chamber, and again guide the cooling fluid to the inside of each cooling chamber. The flow rate changing sections (449) are provided in flow paths of the cooling fluids and enables the flow rate of the cooling fluid flowing to each optical modulation element holding body (446) to be changed depending on the amounts of heat production of the three liquid crystal panels (441).
(FR)
Selon cette invention, un corps de dispositif optique (440) comprend trois corps (446) servant à soutenir des éléments de modulation optique, des éléments de circulation de liquide (448) et des sections de modification du débit (449). Les trois corps de support des éléments de modulation optique (446) soutiennent individuellement trois panneaux à cristaux liquides (441). Dans chaque corps de support des éléments de modulation optique (446), est formée une chambre de refroidissement à l'intérieur de laquelle un liquide de refroidissement est contenu de manière hermétique, et chaque corps de support d'éléments de modulation optique (446) sert à refroidir respectivement chaque panneau à cristaux liquides (441) au moyen du liquide de refroidissement de chaque chambre de refroidissement. Les éléments de circulation de liquide (448) sont en communication avec les trois corps de support d'éléments de modulation optique (446), ils guident le liquide de refroidissement jusqu'à l'extérieur de chaque chambre de refroidissement et, puis, jusqu'à l'intérieur de chaque chambre de refroidissement. Les sections de modification du débit (449) se situent dans des voies d'écoulement des liquides de refroidissement et elles permettent de modifier le débit du liquide de refroidissement s'écoulant jusqu'à chaque corps de support d'éléments de modulation optique (446), en fonction des quantités de production thermique des trois panneaux à cristaux liquides (441).
(JA)
光学装置本体(440)は、3つの液晶パネル(441)をそれぞれ保持し、内部に冷却流体が封入される冷却室がそれぞれ形成され、各冷却室内の冷却流体により3つの液晶パネル(441)をそれぞれ冷却する3つの光変調素子保持体(446)と、3つの光変調素子保持体(446)と連通接続され、冷却流体を各冷却室外部に案内し、再度、各冷却室内部に導く複数の流体循環部材(448)と、冷却流体の流路中に配置され、3つの液晶パネル(441)の発熱量に応じて、各光変調素子保持体(446)に流通する冷却流体の流量を変更可能とする流量変更部(449)とを備える。
Designated States:
AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language:
Japanese (
JA
)
Filing Language:
Japanese (
JA
)