JPS54104799A - Liquid crystal color display unit - Google Patents

Liquid crystal color display unit

Info

Publication number
JPS54104799A
JPS54104799A JP1171678A JP1171678A JPS54104799A JP S54104799 A JPS54104799 A JP S54104799A JP 1171678 A JP1171678 A JP 1171678A JP 1171678 A JP1171678 A JP 1171678A JP S54104799 A JPS54104799 A JP S54104799A
Authority
JP
Japan
Prior art keywords
liquid crystal
type liquid
crystal panel
color
colored state
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.)
Pending
Application number
JP1171678A
Other languages
Japanese (ja)
Inventor
Kazutsuka Tani
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP1171678A priority Critical patent/JPS54104799A/en
Publication of JPS54104799A publication Critical patent/JPS54104799A/en
Pending legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

PURPOSE: To enable to perform color display with colored state, and black or other colored state, by controlling the voltage fed to the guest host type liquid crystal panel and the phase transfer type liquid crystal panel.
CONSTITUTION: When suitable voltage is applied to the guest host type liquid crystal panel 1 and the phase transfer type liquid crystal panel 2 with drive circuits 4 and 5, since the both panels 1, 2 are non-colored and transparent, the observer 14 can see the color of the photo absorption plate, that is, black or colored state for the display surface. Further, when the applied voltage is O to the both panels 1 and 2, since the panel 1 is colored state due to photo absorption of color element and the panel 2 is in photo scattered state, the observer 14 can see the coloring of the guest host type liquid crystal panel 1 on the display surface. Thus, the color display with colored state, black or other color state can be made.
COPYRIGHT: (C)1979,JPO&Japio
JP1171678A 1978-02-03 1978-02-03 Liquid crystal color display unit Pending JPS54104799A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1171678A JPS54104799A (en) 1978-02-03 1978-02-03 Liquid crystal color display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1171678A JPS54104799A (en) 1978-02-03 1978-02-03 Liquid crystal color display unit

Publications (1)

Publication Number Publication Date
JPS54104799A true JPS54104799A (en) 1979-08-17

Family

ID=11785757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1171678A Pending JPS54104799A (en) 1978-02-03 1978-02-03 Liquid crystal color display unit

Country Status (1)

Country Link
JP (1) JPS54104799A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4642628A (en) * 1984-06-22 1987-02-10 Citizen Watch Co., Ltd. Color liquid crystal display apparatus with improved display color mixing
JPH02134615A (en) * 1988-11-15 1990-05-23 Ricoh Co Ltd Color image display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4642628A (en) * 1984-06-22 1987-02-10 Citizen Watch Co., Ltd. Color liquid crystal display apparatus with improved display color mixing
JPH02134615A (en) * 1988-11-15 1990-05-23 Ricoh Co Ltd Color image display device

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