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11. 发明专利

JP3051232B2 失效
公开(公告)号：JP3051232B2
公开(公告)日：2000-06-12
申请号：JP32216891
申请日：1991-12-05
IPC分类号： G09F9/00 , H01S3/00 , H04N5/74 , H04N9/14 , H04N9/31

12. 发明专利

JP2996779B2 失效
公开(公告)号：JP2996779B2
公开(公告)日：2000-01-11
申请号：JP22481191
申请日：1991-08-09
IPC分类号： G02B27/18 , G03B21/62 , H04N9/14

13. 发明专利

JPH05501619A 失效
公开(公告)号：JPH05501619A
公开(公告)日：1993-03-25
申请号：JP51586790
申请日：1990-10-29
申请人： AURA SYSTEMS INC
发明人： UM GREGORY , SZILLAGYI ANDREI
IPC分类号： G02B26/12 , G09G3/02 , H04N5/66 , H04N5/74 , H04N9/12 , H04N9/14 , H04N9/31

14. 发明专利

JPH04319894A DISPLAY DEVICE USING LASER 失效
公开(公告)号：JPH04319894A
公开(公告)日：1992-11-10
申请号：JP32216891
申请日：1991-12-05
申请人： SAMSUNG ELECTRONIC
发明人： YANAGI ZAISEN
IPC分类号： G09F9/00 , H01S3/00 , H04N5/74 , H04N9/14 , H04N9/31
摘要： PURPOSE: To provide a display device that scans a signal processed by using a semiconductor laser in a video tape recorder, having no display device (CRT screen) on a white wall to adjust optionally a size of a screen image. CONSTITUTION: This display device includes an input path through which a composite video signal is distributed, a memory to store the video signal by each image area divided corresponding to the size of a screen, a control section controlling the scanning position of the screen and division of the screen area, a semiconductor laser scanning R, G, B signals read from the memory with a laser beam, and a scanning control section controlling the path of the laser beam so as to display an optical signal onto a white wall without another CRT and to adjust a distance between the display device and the display screen, thereby adjusting the size of the screen.

15. 发明专利

JPH03141788A HIGH DEFINITION DISPLAY CIRCUIT FOR STILL PICTURE VIDEO TELEPHONE 失效
公开(公告)号：JPH03141788A
公开(公告)日：1991-06-17
申请号：JP27851489
申请日：1989-10-27
申请人： NIPPON ELECTRIC ENG
发明人： KURIBAYASHI AKIRA
IPC分类号： H04N9/14 , H04M11/00
摘要： PURPOSE:To make smooth a picture to be displayed in a monitor part and to prevent reception time from being increased when the number of picture elements is increased by producing the picture signals of respective intermediate levels between the picture elements. CONSTITUTION:Received picture data are read out from a memory part 1 by a control part 5. At such a time, the data of one picture element are read out twice, written alternatively into latch parts 6a and 6b, held and next sent to conversion parts 7a and 7b. The respective picture signals converted to analog signals are sent to an adder circuit parts 8 and the two picture signals are added while being deviated by the half picture element to one picture element. By adjusting this added signal to a 1/2 level in an adjusting part 9, the original picture signal appears at a place where the picture data of the same picture element are added other wise, the intermediate picture signal of the two picture elements appears at a place where the picture signals of a ceryain picture element and the next picture element are added. Accordingly, the half picture signal of one picture element becomes the picture signal of the intermediate level to the next picture and the number of the picture elements is made double as a whole.

16. 发明专利

JPH0232692A COLOR SHUTTER TYPE DISPLAY DEVICE AND METHOD OF PROVIDING THE DEVICE 失效
公开(公告)号：JPH0232692A
公开(公告)日：1990-02-02
申请号：JP30517888
申请日：1988-12-03
申请人： KAISER AEROSPACE & ELECTRONICS
发明人： MAIKERU EICHI KARUMANATSUSHIYU
IPC分类号： G02F1/03 , G02F1/1335 , G09F9/46 , G09G3/18 , H04N5/66 , H04N9/12 , H04N9/14 , H04N9/30
摘要： PURPOSE: To provide the display device which is suitable for use both in the daytime and at night by causing the 1st and 2nd optical delay value so as to produce the optical output of a 1st color or the optical output of a composite color including the 1st and 2nd colors in a wide angle of view. CONSTITUTION: A switching means 32 contacts a variable optical delay means 26 to selectively secure the 1st and 2nd switching states and causes the 1st and 2nd optical delay value. At the same time, the optical output of a 1st color or the optical output of a composite color including the 1st and 2nd colors is produced via a 2nd polarization means 22 in a considerably wide angle of view. Thus, it's possible to obtain a display device which is suitable for use both in the daytime and at night, can use the liquid crystal in a wide range of temperatures and also can show the red and green colors with high purity.

17. 发明专利

JP2001318325A OPTICAL SWITCHING UNIT, OPTICAL SWITCHING DEVICE, LIGHT GUIDE, MANUFACTURING METHOD FOR OPTICAL SWITCHING UNIT, AND VIDEO DISPLAY DEVICE 失效
公开(公告)号：JP2001318325A
公开(公告)日：2001-11-16
申请号：JP2000138765
申请日：2000-05-11
申请人： SEIKO EPSON CORP
发明人： TSUCHIYA YUTAKA , TAKEDA TAKASHI
IPC分类号： G02B26/08 , B81B7/02 , G03B21/00 , H04N5/74 , H04N7/22 , H04N9/14
摘要： PROBLEM TO BE SOLVED: To provide an optical switching unit which can prevent adsorption while maintaining the extraction rate of evanescent light. SOLUTION: The optical switching unit 55 constituted by combining together a light guide 1 having a total reflecting surface 1a capable of totally reflecting and transmitting incident light 2 and a micro optical element 3 having an extraction surface 3a extracting light 2 from the light guide 1 is provided with multiple dome-shaped fine protrusions 70 of about 1 to 20 nm in height on the extraction surface 3a by irradiation with laser. The adsorbing force is made small by a fine gap formed by the fine protrusions 70 to prevent the adsorption, thereby providing the optical switching unit 55 which can be driven at a high speed with high reliability and small electric power, and can sufficiently extract evanescent light.

18. 发明专利

JP3142556B2 失效
公开(公告)号：JP3142556B2
公开(公告)日：2001-03-07
申请号：JP51362790
申请日：1990-09-25
IPC分类号： G02B5/32 , G02F1/13357 , H04N9/31 , G02F1/1335 , G03B21/00 , H04N9/14

19. 发明专利

JP2000242192A PICTURE DISPLAY DEVICE 失效
公开(公告)号：JP2000242192A
公开(公告)日：2000-09-08
申请号：JP4693899
申请日：1999-02-24
申请人： SONY CORP
发明人： NISHI NORIAKI
IPC分类号： H04N9/14 , G03B21/00 , G09F9/00 , H01S5/022 , H01S5/18
摘要： PROBLEM TO BE SOLVED: To make a picture display device drivabing with a low power consumption and to display a high-quality picture with a compact constitution at a low cost. SOLUTION: A light source unit 2 constituted by integrating and unifying 1st to 3rd semiconductor lasers 11, 12 and 13 emitting laser beams of three colors, red, blue and green and a laser beam reflection part 14 reflecting the laser beam of three colors, red, blue and green emitted from the lasers 11, 12 and 13, respectively, and making the optical paths of the laser beams proximate is used as a light source.

20. 发明专利

JPH06342126A PROJECTION TYPE DISPLAY DEVICE 失效
公开(公告)号：JPH06342126A
公开(公告)日：1994-12-13
申请号：JP2828194
申请日：1994-02-25
申请人： MINOLTA CAMERA KK
发明人： MASUDA TOMOHIKO
IPC分类号： G02B26/10 , G02B27/10 , G09G3/02 , H04N5/78 , H04N9/14 , H04N9/30
摘要： PURPOSE:To accurately superimpose each picture of three primary colors so as to project it as the two-dimensional picture of full colors in a display device in which one-dimensional picture radiated as an optical signal is deflected to scan by a deflection mirror, and is projected as the two-dimensional picture of full colors. CONSTITUTION:An optical head 10 for a red picture, an optical head 20 for a green picture and an optical head 30 for a blue picture are driven by respective drivers 62, 63, and 64 based on picture data by one line. Light emitted from the respective optical heads 10, 20, and 30 irradiates the deflection mirror 50 through dichroic mirrors 41 and 42. The deflection mirror 50 vibrates at a specified angle and cycle, and the two-dimensional picture on one frame is projected by one stroke. The displacement angle of the deflection mirror 50 is detected by a detector 68, and the detected signal is inputted to a timing signal generating circuit 65. The circuit 65 outputs a timing signal to the respective drivers in the case the detector 68 detects a specified displacement angle set by each driver.

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