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Patent Searching and Data


Title:
PROJECTION TYPE LIQUID CRYSTAL DISPLAY DEVICE
Document Type and Number:
Japanese Patent JPH07218890
Kind Code:
A
Abstract:

PURPOSE: To provide the portable type projection type liquid crystal display device which is miniaturized and easily carried.

CONSTITUTION: A light source 1 and a paraboloid mirror 2 are arranged while being faced to a dychroic prism 6, a mirror 9 is arranged near an exiting side diaphragm 8 at a Schlieren optical system, and light is enlarged and projected by a projection lens 10 after its optical axis is almost rectangularly bent. Since the mirror is arranged at a place where a projected image is small, the mirror can be miniaturized and since the miniaturized projective liquid crystal display device can be provided, the portable projection type liquid crystal display device with an integrated screen can be provided.


Inventors:
NAGATA TETSUYA
KOMURA SHINICHI
KAKEHI NAOFUMI
ARIMOTO AKIRA
NAGAE KEIJI
SATO HIDEO
HOSHINO MINORU
YAMAMOTO TSUNENORI
MIYAHARA YOJIRO
KATSUYAMA ICHIRO
MIYAMOTO HIROSHI
HOSHINO TAKASHI
ODAWARA KOZO
Application Number:
JP1027194A
Publication Date:
August 18, 1995
Filing Date:
February 01, 1994
Export Citation:
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Assignee:
HITACHI LTD
HITACHI PROCESS COMPUTER ENG
International Classes:
G02F1/13; G02B27/54; G03B21/10; H04N5/74; (IPC1-7): G02F1/13; G02B27/54; G03B21/10; H04N5/74
Attorney, Agent or Firm:
Ogawa Katsuo