42results about How to "Reduce pixel area" patented technology

The invention discloses a global shutter pixel unit of a complementary metal oxide semiconductor (CMOS) image sensor. The global shutter pixel unit comprises a photoelectric diode, a signal readout circuit, a signal amplifying circuit, a signal sampling and retaining circuit and a signal output circuit which are connected with one another, wherein the photoelectric diode is used for acquiring original information of an incident light ray and converting an acquired target image light signal into an electric signal; the signal readout circuit is used for reading the electric signal subjected to photoelectric conversion in the photoelectric diode out, and storing the electric signal in a node FD; the signal in the node FD is amplified by the signal amplifying circuit; the signal amplifying circuit comprises an operational amplifier which is used for amplifying the signal stored in the node FD; the amplified signal is output to the signal sampling and retaining circuit; the signal sampling and retaining circuit is used for sampling and retaining the signal output by the signal amplifying circuit; and the signal output circuit is used for sampling and outputting the signal which is sampled and retained in the signal sampling and retaining circuit. By the global shutter pixel unit, the problem of large noise of the existing global shutter pixel in the CMOS image sensor can be solved.

An array substrate, a manufacturing method thereof and a display device are disclosed. The array substrate comprises a gate electrode layer (2), an active layer (4) and a source-drain electrode layer (6) that are disposed on a substrate (1). The substrate comprises a storage capacitance region thereon II. In the storage capacitance region II, projections of the gate electrode layer (2) and the active layer (4) on the substrate (1) are at least partially overlapped, and projections of the active layer (4) and the source-drain electrode layer (6) on the substrate (1) are at least partially overlapped. The array substrate can effectively increase the storage capacitance without increasing an area occupied by the storage capacitance region, which is advantageously to reduce a pixel area and increase PPI.

The invention provides an array substrate structure, a display device and a preparation method of the array substrate structure. A TFT array substrate is provided with a double-layer storage capacitor structure, so the pixel area can be reduced, the PPI of a display panel can be improved, and the flexibility of layout design can be improved on the premise that the capacity of a storage capacitor of a TFT device is guaranteed to be constant and the reliability of the TFT device is guaranteed; besides, the auxiliary metal layer is arranged between the first metal layer and the third metal layer, so that the insulating layers above and below the auxiliary metal layer can be patterned at the same time through a one-time composition process, a mask can be saved, the processes of exposure, etching, stripping and the like of the one-time composition process are reduced, and the process cost of the TFT array substrate is saved. The display device provided by the invention adopts the TFT array substrate, and under the same display size, the pixel distribution density of the display device is greatly improved, and the display picture is clearer.

The invention provides a display device and a driving method thereof, relates to the field of display technology, and solves the problem that the existing display panels are difficult to achieve high resolution. A display device, comprising a display panel, a first drive module, a second drive module, and an optical modulator located on the light-emitting side of the display panel, a plurality of prism structures are formed between the display panel and the light modulator, and the pixels include n dummy pixels, The light modulation unit includes: n light modulation regions respectively corresponding to virtual pixels; one frame picture includes n sub-frame pictures; the first driving module is used to drive the display panel to sequentially display n consecutive sub-frame pictures in one frame picture; The second drive module is used to drive the n light modulation areas of the light modulation unit to be light-transmitting areas in the n sub-frame pictures in turn, and the other n-1 light modulation areas are light-shielding areas, and the optical modulator will part of the light-shielding area Light is reflected into the prism structure so that part of the light is emitted from the light-transmitting area.