Patent application number | Description | Published |
20090027313 | Imaging device - To determine a deterioration and maintain a high-quality image without unevenness of brightness by performing a precise correction, a detection scanning line for selecting a pixel which detects a deterioration of a pixel, a detection line for informing the outside of the display area of the property of a pixel selected for detecting the deterioration, a deterioration determination means for determining a deterioration amount based on a voltage corresponding to a current detected by the detection line, and a deterioration correction means (computation circuit) for reflecting the determination result of the deterioration determination means in image data supplied to the pixel, are provided. | 01-29-2009 |
20140111725 | DISPLAY DEVICE - A display device is provided with high definition and improved display capabilities. The display device includes a plurality of pixels, each of the plurality of pixels being arranged with a thin film transistor and a condenser; wherein the condenser includes a protruding portion arranged at a certain height above a substrate, a first electrode arranged on the protruding portion, an insulation film arranged on the first electrode, and a second electrode arranged on the insulation film. | 04-24-2014 |
20140284572 | ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE - Provided is an organic electroluminescence display device. The organic electroluminescence display device includes a bank that is provided so as to surround a central portion of a pixel electrode, an organic electroluminescence layer that is provided on the pixel electrode, a common electrode that is formed so as to extend from the organic electroluminescence layer to the bank, a color filter layer that overlaps the organic electroluminescence layer, a black matrix layer that overlaps the bank, a spacer that is provided on the black matrix layer, and a wiring that is provided on the black matrix layer so as to be placed on the spacer. The black matrix layer is disposed on the bank through the spacer. A convex portion is formed by the wiring being placed on the spacer, and the convex portion is electrically connected to the common electrode above the bank. | 09-25-2014 |
20140284579 | ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE - An organic EL display device has a pixel electrode and a common electrode, a first insulating layer that covers a thin-film transistor, a first wire provided on the first insulating layer to electrically connect the thin-film transistor and the pixel electrode, a second wire provided on the first insulating layer to be connected to a gate electrode of the thin-film transistor, and a conducting film formed on the first wire and the second wire from a material on which an oxide film is harder to be formed than those of the first wire and the second wire. At least one of the pixel electrode, the first wire, and the second wire and the conducting film are located to overlap above the first insulating layer in electrical insulation so that a capacitor that retains a control signal is formed between the first wire and the second wire. | 09-25-2014 |
20140332781 | DISPLAY DEVICE - A display device comprising including a plurality of pixels arranged in the shape of a matrix above a substrate, and a plurality of thin film transistors arranged corresponding to each of the plurality of pixel having an organic EL layer, the device comprising; a planarized film covering the thin film transistor and a wire connected with the thin film transistor; a reflecting layer formed above the planarized film; a light path length expanded layer covering the reflecting layer; and a pixel transparent electrode formed above the light path length expanded layer. | 11-13-2014 |
20150029079 | DRIVE CIRCUIT, DISPLAY DEVICE, AND DRIVE METHOD - A drive circuit for a light emitting element small in the number of components which can correct a threshold voltage of a drive transistor is provided. The drive circuit includes a line that is connected between two reference voltages, a light emitting element on the line, a drive transistor on the line, a first capacitor connected between a gate and a drain of the drive transistor, a second capacitor connected between the gate and a source of the drive transistor, a first switching element connected to the gate of the drive transistor and turning on during a signal writing period to supply a signal voltage to the gate of the drive transistor, and a second switching element disposed on the line and having one side connected to the source of the drive transistor, and the second capacitor. | 01-29-2015 |
20150048347 | ORGANIC ELECTRO LUMINESCENT DISPLAY DEVICE - An organic EL display device includes plural pixels that is arranged on a substrate in a matrix, a light shielding film that shields boundaries of the plurality of pixels, and a light emitting area in which an organic layer that is arranged between a lower electrode and an upper electrode, and formed of a plurality of layers including a light emitting layer that emits a light comes in contact with the lower electrode, in each of the plurality of pixels, in which the light shielding film has wide portions and narrow portions which are arranged along sides of the pixels, and different in width from each other. | 02-19-2015 |
20150053955 | ORGANIC EL DISPLAY DEVICE - An organic EL display device includes: thin film transistors that are arranged in respective pixels within a display area which are arranged in a matrix; a planarization film that is formed over the thin film transistor and made of an organic insulating material; contact electrodes that are connected to drains or sources of the respective thin film transistors through contact holes formed within the planarization film; contact hole planarization films that are arranged over the respective contact electrodes with which the contact holes are embedded, and made of an organic insulating material; a lower electrode that is formed to be electrically connected onto the contact electrodes, and formed over the contact hole planarization film; and an organic layer that is arranged over the lower electrode to cover the overall display area, and formed of a plurality of organic material layers including a light emitting layer. | 02-26-2015 |
20150061538 | DRIVE CIRCUIT, DISPLAY DEVICE, AND DRIVE METHOD - A drive circuit for a light emitting element which can correct a threshold voltage of a drive transistor between two reference voltages without a reset power supply. The drive circuit includes a light emitting element, a drive transistor for controlling an amount of current, a first switching element that is arranged between the light emitting element and the drive transistor, a second switching element that is arranged between the drive transistor and the second reference voltage, a third switching element that is arranged between a gate, and one of a source and a drain of the drive transistor, a fourth switching element that is connected to the other of the source and the drain of the drive transistor, and controls input of signal voltage, and a first capacitor connected to the gate of the drive transistor. | 03-05-2015 |
20150084026 | DISPLAY DEVICE - Provided is a display device that even in the case where microlenses are formed to increase the light extraction efficiency, can decrease damage on an OLED caused by the production of the microlenses. The display device includes a first substrate; light emitting elements provided on the first substrate and located in correspondence with pixels arrayed in a matrix; a second substrate; a light collection layer provided on the second substrate and including, on the side facing the light emitting elements, at least one convex lens in correspondence with each of the pixels; and a light-transmissive layer that is provided between the first substrate and the second substrate so as to be in contact with the lens and has a refractive index lower than that of the light collection layer. | 03-26-2015 |