Patent application number | Description | Published |
20110205456 | IMAGE FORMING APPARATUS AND REAR PROJECTION DISPLAY APPARATUS - An image forming apparatus includes: a screen having a display surface; and a projector that renders an image by scanning light on the display screen, wherein the screen selects, independently in respective regions of the display surface, a light transmission state in which the light is transmitted and a light diffusion state in which the light is diffused, the screen being configured such that the region where address light is irradiated is in the light diffusion state and the region where the address light is not irradiated is in the light transmission state, and the projector scans the address light on the display surface such that an area of the display surface corresponding to an image displayed on the display surface changes to the light diffusion state. | 08-25-2011 |
20120212523 | DISPLAY ELEMENT, IMAGE DISPLAY SYSTEM, AND METHOD OF CONTROLLING DISPLAY ELEMENT - A display element includes a transmission/diffusion switching layer switched between a diffusion state of diffusing visible light and a transmission state of transmitting visible light by electrical switching, and a transmission/reflection switching layer switched between a reflection state of reflecting visible light and a transmission state of transmitting visible light by electrical switching, and the transmission/diffusion switching layer and the transmission/reflection switching layer overlap each other. | 08-23-2012 |
20120257142 | PHOTOCONDUCTIVE SWITCHING ELEMENT, PHOTOCONDUCTIVE SWITCHING ELEMENT ARRAY, DISPLAY DEVICE, AND IMAGE FORMING APPARATUS - A photoconductive switching element includes a first electrode, a second electrode that is arranged so as to face the first electrode, and a photoconductive layer that is arranged between the first electrode and the second electrode and realizes conductivity by receiving light. The photoconductive layer includes a first electric charge generating layer and a second electric charge generating layer that generate electric charge when light is received and an electric charge transport layer which is brought into contact with the first electric charge generating layer and the second electric charge generating layer and to which the electric charge can be moved. The first electric charge generating layer and the second electric charge generating layer are arranged at mutually-different positions in a direction perpendicular to a thickness direction of the electric charge transport layer and at mutually-different positions in the thickness direction of the electric charge transport layer. | 10-11-2012 |
20130082986 | SCREEN AND IMAGE DISPLAY SYSTEM - A screen including a first liquid crystal layer area including a polymer dispersion liquid crystal material and capable of switching a state of the first liquid crystal layer area between a transmission state and a scatter state based on voltage application and a second liquid crystal layer area provided outside the first liquid crystal layer area, including a liquid crystal material and a dichromatic dye, and capable of switching a state of the second liquid crystal layer area between a transmission state and a colored state based on voltage application. | 04-04-2013 |
20130083090 | IMAGE DISPLAY SYSTEM AND CONTROL APPARATUS - An image display system includes a screen capable of switching a state thereof between a scatter state in which the screen scatters light and a transmission state in which the screen transmits light by changing the magnitude of a voltage applied to the screen, a projector that projects video image light modulated in accordance with an image signal on the screen to display an image on the screen, and a controller that controls operation of driving the screen and the projector, wherein the controller instructs the projector to project the video image light on the screen that operates in the scatter state and instructs the screen to change the degree of light scattering in the scatter state in accordance with a luminance level of the image displayed on the screen. | 04-04-2013 |
20130088665 | SCREEN AND IMAGE DISPLAY SYSTEM - A screen includes a polymer-dispersed liquid crystal layer including liquid crystal molecules, and polymer molecules different from the liquid crystal molecules, a twist angle of the polymer molecules is equal to or larger than 180°, and the polymer-dispersed liquid crystal layer comes into a first state of transmitting light entering the polymer-dispersed liquid crystal layer in a period in which an electric field fails to act on the polymer-dispersed liquid crystal layer, and comes into a second state of scattering the light entering the polymer-dispersed liquid crystal layer in a period in which the electric field acts on the polymer-dispersed liquid crystal layer. | 04-11-2013 |
20140016042 | SCREEN AND IMAGE DISPLAY SYSTEM - A screen including a polymer dispersed liquid crystal layer including liquid crystal molecules and polymers different from the liquid crystal molecules, wherein a twist angle of the polymers is equal to or larger than 0° and smaller than 180°, and, when an electric field does not act on the polymer dispersed liquid crystal layer, the polymer dispersed liquid crystal layer changes to a first state in which the polymer dispersed liquid crystal layer transmits light made incident on the polymer dispersed liquid crystal layer and, when an electric filed acts on the polymer dispersed liquid crystal layer, the polymer dispersed liquid crystal layer changes to a second state in which the polymer dispersed liquid crystal layer scatters light made incident on the polymer dispersed liquid crystal layer. | 01-16-2014 |
20150103058 | SCREEN AND IMAGE DISPLAY SYSTEM - A screen including a first liquid crystal layer area including a polymer dispersion liquid crystal material and capable of switching a state of the first liquid crystal layer area between a transmission state and a scatter state based on voltage application and a second liquid crystal layer area provided outside the first liquid crystal layer area, including a liquid crystal material and a dichromatic dye, and capable of switching a state of the second liquid crystal layer area between a transmission state and a colored state based on voltage application. | 04-16-2015 |