JP2007316119A5

JP2007316119A5 -

Info

Publication number: JP2007316119A5
Application number: JP2006142569A
Authority: JP
Filing date: 2006-05-23
Publication date: 2010-09-16
Anticipated expiration: 2026-05-23

Claims

A first electrode substrate having a display region composed of a plurality of pixel electrodes arranged in a matrix;
A second electrode substrate having a counter electrode made of a transparent conductive film facing the first electrode substrate,
A liquid crystal display device in which liquid crystal is sealed between the first electrode substrate and the second electrode substrate,
A substantially ring-shaped electronic parting area is formed around the display area,
In the display operation mode for displaying an image in the display area, the electronic parting area is configured as an electronic parting unit for the display area,
In the non-display operation mode in which no image is displayed in the display area, the electronic parting area is configured as ion sweeping means inside the liquid crystal.

An opposing alignment surface between the pixel electrode of the first electrode substrate and the counter electrode of the second electrode substrate is formed with an inorganic alignment film made of an oblique deposition film of silicon oxide, and the liquid crystal has a negative dielectric anisotropy n. 2. The liquid crystal display device according to claim 1, wherein the liquid crystal display device is a liquid crystal material.

3. The liquid crystal display device according to claim 1, wherein the electronic parting area is formed by an electronic parting pixel electrode having substantially the same shape as the pixel electrode.

The electronic parting area is formed by an electronic parting pixel electrode that is adjacent to the display area and has substantially the same shape as the pixel electrode, and a solid electrode-shaped solid parting electrode that is disposed on the outer periphery of the electronic parting pixel electrode. The liquid crystal display device according to claim 1, wherein:

5. The liquid crystal display according to claim 4, wherein the electronic parting solid electrode comprises a first electronic parting solid electrode adjacent to the electronic parting pixel electrode and a second electronic parting solid electrode on the outer periphery. apparatus.

The light shielding member is fixed to the peripheral edge of the second electrode substrate, and the light shielding member is formed so as to cover the outer periphery from the middle of the electronic parting area. A liquid crystal display device according to 1.

The electronic parting solid electrode is applied with a predetermined driving voltage for black display as an electronic parting in the display operation mode, and is an AC voltage for sweeping ions inside the liquid crystal in the non-display operation mode. The liquid crystal display device according to claim 4, wherein a predetermined driving voltage is applied for a predetermined time.

The first electronic parting solid electrode is applied with a predetermined driving voltage for black display as an electronic parting in the display operation mode, and in the non-display operation mode, an alternating current for sweeping ions inside the liquid crystal The liquid crystal display device according to claim 4, wherein a predetermined driving voltage that is a voltage is applied for a predetermined time.

The second electronic parting solid electrode is applied with a predetermined driving voltage for black display as an electronic parting in the display operation mode or a predetermined driving voltage which is an alternating voltage for sweeping ions inside the liquid crystal. 7. The device according to claim 4, wherein in the non-display operation mode, a predetermined drive voltage that is an AC voltage for sweeping ions inside the liquid crystal is applied for a predetermined time. The liquid crystal display device described.

The display area is applied with a predetermined drive voltage that is an AC voltage corresponding to an image to be displayed in the display operation mode, and is a predetermined voltage that is an AC voltage for sweeping out ions inside the liquid crystal in the non-display operation mode. The liquid crystal display device according to claim 1, wherein the driving voltage is applied for a predetermined time.

The electronic parting pixel electrode is applied with a predetermined driving voltage for black display as electronic parting in the display operation mode, and is an alternating voltage for sweeping ions inside the liquid crystal in the non-display operation mode. The liquid crystal display device according to claim 1, wherein a predetermined driving voltage is applied for a predetermined time.

A frequency of a predetermined drive voltage for sweeping out the ions to the display area in the non-display operation mode, and a predetermined frequency for sweeping the ions to the electron parting pixel electrode and / or the electron parting solid electrode. 12. The frequency of the drive voltage is at least several times faster than a frequency of a predetermined drive voltage corresponding to the image to be displayed on the display area in the display operation mode. 2. A liquid crystal display device according to item 1.

In the non-display operation mode, a predetermined driving voltage for sweeping out the ions to the display region and a predetermined driving voltage for sweeping the ions to the electron parting pixel electrode and / or the electron parting solid electrode 13. The liquid crystal display device according to claim 7, wherein each of the crest values is relatively variable at a predetermined cycle.

The first electrode substrate is a silicon circuit substrate having a switching element for driving the pixel electrode, and the pixel electrode is a reflective electrode connected to the switching element. 14. A liquid crystal display device according to any one of items 1 to 13.

The first electrode substrate is a transparent substrate having a switching element for driving the pixel electrode, and the pixel electrode is a transparent conductive film connected to the switching element. 14. The liquid crystal display device according to any one of items 13.

A first electrode substrate having a display region composed of a plurality of pixel electrodes arranged in a matrix;
A second electrode substrate having a counter electrode made of a transparent conductive film facing the first electrode substrate,
A liquid crystal display device in which liquid crystal is sealed between the first electrode substrate and the second electrode substrate,
A substantially ring-shaped electronic parting area is formed around the display area,
The electronic parting area includes a first electronic parting electrode adjacent to the display area, and a second electronic parting electrode disposed on the outer peripheral side of the first electronic parting electrode,
In the display operation mode in which an image is displayed in the display area, the first electronic parting electrode is configured as an electronic parting means for the display area, and the second electronic parting electrode is used to sweep ions inside the liquid crystal. A liquid crystal display device configured as means.

The first electronic parting electrode is an electronic parting pixel electrode having substantially the same shape as the pixel electrode,
17. The liquid crystal display device according to claim 16, wherein the second electronic parting electrode is an electronic parting pixel electrode having substantially the same shape as the pixel electrode or an electron parting solid electrode having a solid electrode shape.

A first electrode substrate having a display region made up of a plurality of pixel electrodes arranged in a matrix and a second electrode substrate having a counter electrode made of a transparent conductive film facing the first electrode substrate, A method of driving a liquid crystal display device in which liquid crystal is sealed between an electrode substrate and the second electrode substrate,
A substantially ring-shaped electronic parting area is formed around the display area, and in the display operation mode for displaying an image in the display area, the electronic parting area is driven as an electronic parting unit of the display area,
In the non-display operation mode in which no image is displayed on the display area, the electronic parting area is driven as an ion sweeping means inside the liquid crystal.

A first electrode substrate having a display region made up of a plurality of pixel electrodes arranged in a matrix, and a second electrode substrate having a counter electrode made of a transparent conductive film facing the first electrode substrate, A method of driving a liquid crystal display device in which liquid crystal is sealed between an electrode substrate and the second electrode substrate,
A substantially ring-shaped electronic parting area is formed around the display area, and the electronic parting area is arranged on the outer periphery side of the first electronic parting electrode adjacent to the display area and the first electronic parting electrode. A second electronic parting electrode,
In the display operation mode in which an image is displayed in the display area, the first electronic parting electrode is driven as an electronic parting unit in the display area, and the second electronic parting electrode is swept by ions inside the liquid crystal. A liquid crystal display device driving method, characterized in that the liquid crystal display device is driven as means.

A light source, one or more liquid crystal display devices according to any one of claims 1 to 17 that convert incident light from the light source into an image, and projected light converted into an image by the liquid crystal display device A projection apparatus comprising: a projection lens that controls the light source; and a control unit that controls the liquid crystal display device.

The control means includes a display operation mode for displaying an image and a non-display operation mode for not displaying an image, and supplies a predetermined drive voltage to the liquid crystal display device according to the display operation mode or the non-display operation mode. The projection apparatus according to claim 20 , wherein

The projection device according to claim 20 or 21 , wherein the control unit turns on the light source in the display operation mode and turns off the light source in the non-display operation mode.