EP0509727A3

Liquid crystal display device

Abstract

It is an object of the invention to present a liquid crystal display device capable of displaying high precisely and brightly. The incident light into the reflection type liquid crystal display element (2) is selectively varied by using the light selecting means (3), that is. cyan filter (19C), magenta filter (19M), and yellow filter (19Y), and red light, green light, and blue light are entered in every unit time. By controlling the reflection/cutoff of color lights of these three primary color by the reflection type liquid crystal display element (2), multicolor display of eight colors or full-color display is realized.

EP0509727A3, drawing sheet 1 — Sheet 1 of 1

Term

Term ended

Projected expiry passed 10 April 2012, 14.5 years ago.

1 sheet

Sheet 1

Every citation, both ways

Citations
Document	Relation	Office	Category	Cited during
EP0298255A1	Cites	European Patent Office (EPO)	A	Search report
EP0336351A2	Cites	European Patent Office (EPO)	Y	Search report
FR2175117A1	Cites	France	A	Search report
US4843381A	Cites	United States of America	A	Search report
WO9103003A1	Cites	World Intellectual Property Organization (WIPO)	Y	Search report

8 members in 4 offices

This recordMember, by publication datePriority claim

Priority claims4

Priority claims
Document	Office	Kind	Date
7798391	Japan	–	1991-04-10
7798391	Japan	A	1991-04-10
7798391	Japan	A	1991-04-10
JP19910077983	–	–	–

Members8

Family members, oldest first
Document	Office	Kind
EP0509727A2	European Patent Office (EPO)	A2	1992-10-21
JPH04310925A	Japan	A	1992-11-02
EP0509727A3This record	European Patent Office (EPO)	A3	1993-12-01
US5566010A	United States of America	A	1996-10-15
EP0509727B1	European Patent Office (EPO)	B1	1997-06-18
DE69220410D1	Germany	D1	1997-07-24
DE69220410T2	Germany	T2	1998-01-22
JP2829149B2	Japan	B2	1998-11-25

31 legal events, as 5 offices reported them to INPADOC

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Events

Legal events, newest first
	Event	Code	Office
2012-08-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2012-07-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2012-05-02	Patent expired after termination of 20 yearsExpiredPE20	PE20	GB
2012-04-30	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2012-04-30	Patent reinstated in contracting state [announced from national office to epo]PGRI	PGRI	EP
2012-04-18	Discontinued because of reaching the maximum lifetime of a patentV4	V4	NL
2012-04-11	Expiry of rightR071	R071	DE
2012-04-10	Expiry of rightR071	R071	DE
2012-03-02	Ip right revivedD3	D3	FR
2011-08-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2011-08-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2011-07-29	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2009-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2009-01-30	Notification of lapseLapsedST	ST	FR
2002-01-01	European patent in force as of 2002-01-01IF02	IF02	GB
1998-06-10	No opposition filedOpposition26N	26N	EP
1998-04-24	No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE	PLBE	EP
1998-04-24	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA	STAA	EP
1997-08-01	Fr: translation filedET	ET	EP
1997-07-24	Corresponds to:REF	REF	EP
1997-06-18	Designated contracting statesAK	AK	EP
1997-05-02	(expected) grantORIGINAL CODE: 0009210GRAA	GRAA	EP
1997-03-07	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH	GRAH	EP
1996-11-21	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH	GRAH	EP
1996-08-21	Despatch of communication of intention to grantORIGINAL CODE: EPIDOS AGRAGRAG	GRAG	EP
1995-10-25	First examination report despatched17Q	17Q	EP
1994-04-27	Request for examination filed17P	17P	EP
1993-12-01	Designated contracting statesAK	AK	EP
1993-10-14	Search report despatchedORIGINAL CODE: 0009013PUAL	PUAL	EP
1992-10-21	Designated contracting statesAK	AK	EP
1992-09-04	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI	EP

Liquid crystal display device

Abstract

Term

Priority claims4

Members8

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Events

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Titles3

Classification

Designated states1