| Patent Number |
Title Of Patent |
Date Issued |
| 7165846 |
Dichroic mirror and projection-type display unit |
January 23, 2007 |
| On a transparent substrate (1), a first alternating periodic layer (5) including low-refractive-index layers (2) and high-refractive-index layers (3), a second alternating periodic layer (6) including the low-refractive-index layers (2) or the high-refractive-index layers (3) and int |
| 7118227 |
Projection display device |
October 10, 2006 |
| An illuminating optical system for focusing a radiant light of a light source (1) onto a reflecting light valve (6) and a projection lens (7) for magnifying and projecting a reflected light from the reflecting light valve (6) onto a screen are provided, a diaphragm (31) is disposed at a |
| 7084931 |
Projection video device |
August 1, 2006 |
| A projection-type imaging device 1000 includes: a light source optical system 121 for emitting source light 122; image display elements 7a 7c each having a display surface 127 on which a plurality of micromirrors 301 are placed and driving the plurality of micromirrors 301 according to |
| 7033030 |
Projection-type display apparatus |
April 25, 2006 |
| An illuminating optical system for focusing a radiant light of a light source (1) onto a reflecting light valve (6) and a projection lens (7) for magnifying and projecting a reflected light from the reflecting light valve (6) onto a screen are provided, a diaphragm (31) is disposed at a |
| 6333770 |
Liquid crystal panel with reducing means, manufacturing method therefore and projection display |
December 25, 2001 |
| A liquid crystal panel includes a first substrate and on which pixel electrodes are formed in a matrix pattern, a second substrate on which a counter electrode is formed, an ultraviolet reducing layer formed on one of the first and second substrate corresponding to the matrix pattern of |
| 6218679 |
Display panel and display device using the same |
April 17, 2001 |
| A liquid crystal display panel includes a counter substrate having a counter electrode and a multi-layered dielectric film both formed thereon, and an array substrate formed with pixel electrodes and thin-film transistors serving as switching elements. A layer of polymer dispersed li |
| 6049364 |
Display panel and display device using the same |
April 11, 2000 |
| A liquid crystal display panel includes a counter substrate having a counter electrode and a multi-layered dielectric film both formed thereon, and an array substrate formed with pixel electrodes and thin-film transistors serving as switching elements. A layer of polymer dispersed li |
| 5963283 |
Liquid crystal panel with reducing means, manufacturing method therefor and projection display a |
October 5, 1999 |
| A liquid crystal panel includes a first substrate on which pixel electrodes are formed in a matrix pattern, a second substrate on which a counter electrode is formed, an ultraviolet reducing layer formed on one of the first and second substrates and corresponding to the matrix pattern of |
| 5946054 |
Optical apparatus, projection display apparatus and optical compensation method |
August 31, 1999 |
| In the optical apparatus, the projection lens has a first lens group and a second lens group, the color synthesizing optical system has a transparent plate, dichroic mirrors and a plane mirror, the second lens group is disposed between the color synthesizing optical system and the po |
| 5795047 |
Projection lens and projection display apparatus |
August 18, 1998 |
| A projection lens includes sequentially from a screen side a first lens group which has a negative power, a second lens group which has a weaker power than that of the first lens group, a third lens group which has a positive power, a fourth lens group which has a positive power, and at |
| 5734454 |
Liquid crystal panel with reducing means, manufacturing method therefor and projection display a |
March 31, 1998 |
| A liquid crystal panel includes a first substrate on which pixel electrodes are formed in a matrix pattern, a second substrate on which a counter electrode is formed, an ultraviolet reducing layer formed on one of the first and second substrates and corresponding to the matrix pattern of |
| 5673127 |
Display panel and display device using a display panel |
September 30, 1997 |
| A liquid crystal display panel includes a counter substrate having a counter electrode and a multi-layered dielectric film both formed thereon, and an array substrate formed with pixel electrodes and thin-film transistors serving as switching elements. A layer of polymer dispersed li |
| 5579138 |
Polarizer having a glass substrate with films on either side with different wavelength character |
November 26, 1996 |
| A polarization separation mirror is made by evaporation-depositing a first multi-layers thin film and a second multi-layers thin film respectively on both surfaces of a transparent substrate, the mirror acts as a polarization beam splitter by cementing it between two transparent prism |
