JPS6491172A - Reflection type magnification projector - Google Patents

Reflection type magnification projector

Info

Publication number
JPS6491172A
JPS6491172A JP62249157A JP24915787A JPS6491172A JP S6491172 A JPS6491172 A JP S6491172A JP 62249157 A JP62249157 A JP 62249157A JP 24915787 A JP24915787 A JP 24915787A JP S6491172 A JPS6491172 A JP S6491172A
Authority
JP
Japan
Prior art keywords
grooves
liquid crystal
reflection
picture
annular zones
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.)
Granted
Application number
JP62249157A
Other languages
English (en)
Other versions
JP2642642B2 (ja
Inventor
Kenya Yokoi
Takamichi Enomoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP62249157A priority Critical patent/JP2642642B2/ja
Publication of JPS6491172A publication Critical patent/JPS6491172A/ja
Application granted granted Critical
Publication of JP2642642B2 publication Critical patent/JP2642642B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP62249157A 1987-10-02 1987-10-02 反射型拡大投影装置 Expired - Lifetime JP2642642B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62249157A JP2642642B2 (ja) 1987-10-02 1987-10-02 反射型拡大投影装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62249157A JP2642642B2 (ja) 1987-10-02 1987-10-02 反射型拡大投影装置

Publications (2)

Publication Number Publication Date
JPS6491172A true JPS6491172A (en) 1989-04-10
JP2642642B2 JP2642642B2 (ja) 1997-08-20

Family

ID=17188754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62249157A Expired - Lifetime JP2642642B2 (ja) 1987-10-02 1987-10-02 反射型拡大投影装置

Country Status (1)

Country Link
JP (1) JP2642642B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6693696B1 (en) 1992-06-30 2004-02-17 Semiconductor Energy Laboratory Co., Ltd. Electro-optical device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59147178U (ja) * 1984-02-16 1984-10-01 セイコーエプソン株式会社 反射型液晶表示装置
JPS62257126A (ja) * 1986-04-30 1987-11-09 Tokyo Electric Co Ltd 投影装置用液晶表示板
JPS63292187A (ja) * 1987-05-26 1988-11-29 川崎重工業株式会社 液晶パネル構造

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59147178U (ja) * 1984-02-16 1984-10-01 セイコーエプソン株式会社 反射型液晶表示装置
JPS62257126A (ja) * 1986-04-30 1987-11-09 Tokyo Electric Co Ltd 投影装置用液晶表示板
JPS63292187A (ja) * 1987-05-26 1988-11-29 川崎重工業株式会社 液晶パネル構造

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6693696B1 (en) 1992-06-30 2004-02-17 Semiconductor Energy Laboratory Co., Ltd. Electro-optical device
US7567320B2 (en) 1992-06-30 2009-07-28 Semiconductor Energy Laboratory Co., Ltd. Electro-optical device with liquid crystal

Also Published As

Publication number Publication date
JP2642642B2 (ja) 1997-08-20

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