Patent application number | Description | Published |
20140119490 | SHIFT REGISTER, METHOD FOR DRIVING THE SAME, AND ARRAY SUBSTRATE - The disclosure relates to a shift register, a method for driving the same, an array substrate and a display apparatus, for reducing the wiring space as required by the shift register. The shift register comprising a control unit and a plurality of output sub-units, wherein the control unit comprises a plurality of output terminals which output gate line control signals sequentially according to the control timing sequence during a first preset time period, and output the gate line control signals sequentially according to the control timing sequence during a second preset time period in an order opposite to or identical to an order in which the gate line control signals are output during the first preset time period; each of the output sub-units is connected to a corresponding output terminal of the control unit, and divides the gate line control signal output from the connected output terminal into at least a first gate line control signal and a second gate line control signal, and outputs the first gate line control signal and the second gate line control signal respectively. | 05-01-2014 |
20140119493 | SHIFT REGISTER AND GATE DRIVING DEVICE ON ARRAY SUBSTRATE - Provided are a shift register and a gate driving device on array substrate for eliminating noise at an output terminal of the shift register and improving the operating stability thereof. The shift register comprises an input module for supplying an input signal to a pull-up node, wherein the pull-up node serves as an output node of the input module; a pull-up module for storing the input signal and supplies a first clock signal to the output terminal; a reset module for supplying a negative voltage of a power supply to the pull-up node; a first pull-down control module for supplying the negative voltage to a first pull-down node; a second pull-down control module for supplying the negative voltage to a second pull-down node; and a pull-down module for supplying the negative voltage to the pull-up node, and for supplying the negative voltage to the output terminal. | 05-01-2014 |
20140168049 | SHIFT REGISTER, GATE DRIVER AND DISPLAY DEVICE - Provided are a shift register, a gate driver and a display device capable of eliminating voltage coupled noise at an output terminal. The shift register comprises a pulling-up unit, a clock control unit, a resetting unit, an inverting unit and a pulling-down unit; the pulling-up unit is connected with a shift trigging signal terminal, a high level signal terminal and the resetting unit; the clock control unit is connected with the pulling-up node, a clock signal terminal and the pulling-down unit; the resetting unit is connected with a reset signal terminal, a low level signal terminal, the pulling-up node and the output terminal; the inverting unit is connected with the high and low level signal terminals, the pulling-up node and the pulling-down unit; the pulling-down unit is connected with the pulling-up node, the pulling-down node, the low level signal terminal, the shift trigging signal terminal and the output terminal. | 06-19-2014 |
20150094993 | DESIGN METHOD OF FREEFORM IMAGING LENS - A design method of freeform imaging lens with a wide linear field-of-view (FOV) is provided. A initial freeform imaging lens is developed, and the initial freeform imaging lens includes a first lens surface and an entrance pupil spaced from each other, wherein the FOV of the system 2ω (±ω) is divided into 2k+1 sampling fields with equal interval Δω between each two adjacent sampling fields. Each two adjacent sampling fields are taken as one group. Two constraints are employed to calculate the plurality of data points of the first lens surface to obtain a front surface of the freeform imaging lens. The data points are calculated based on Snell's law, and a curve is obtained through the data points. A back surface is added to approximately keep the previous outgoing direction of rays from the front surface. | 04-02-2015 |
20150116842 | FREEFORM IMAGING LENS AND FREEFORM IMAGING SYSTEM USING THE SAME - A freeform imaging lens defined in a (x, y, z) coordinate is provided. The freeform imaging lens comprises a first surface and a second surface opposite to the first surface. The first surface comprises a first freeform surface and a second freeform surface symmetrical about x-z plane. The first freeform surface and the second freeform surface are 5 | 04-30-2015 |
20150130806 | DESIGN METHOD OF FREEFORM IMAGING SYSTEM - A design method of freeform imaging system is provided. An initial freeform imaging system is provided, the initial freeform image system comprising a first initial surface and a second initial surface spaced from each other. A second surface is constructed by calculating a plurality of second data points of the second surface through a plurality of feature rays based on the given object-image relationship. A first surface is constructed by calculating a plurality of first data points of the first surface based on the given object-image relationship and Fermat's principle, wherein the second surface is fixed. The first surface and the second surface substitute for the first initial surface and second initial surface respectively, and repeating steps list above, wherein the plurality of feature rays are intersecting the image plane at the plurality of ideal image points. | 05-14-2015 |
20150160453 | FREEFORM SURFACE REFLECTIVE SCANNING SYSTEM - A freeform surface reflective scanning system includes a light source, an aperture, a first freeform surface mirror, and a second freeform surface mirror. The light source is configured to provide a laser. The first freeform surface mirror is located on an aperture side that is away from the light source. The first freeform surface mirror is configured to reflect the laser to form a first reflected light. The second freeform surface mirror is located on a first reflected light path. The second freeform surface mirror is configured to reflect the first reflected light to form a second reflected light. Both the first freeform surface mirror and the second freeform surface mirror are a fourth XY polynomial surface. | 06-11-2015 |
20150205440 | IN-CELL TOUCH SCREEN PANEL AND DISPLAY DEVICE - Embodiments of the present invention disclose an in-cell touch screen panel and a display device, at least one gate signal lines is used as a touch scanning line, a touch readout line is disposed between adjacent columns of pixel units in the array substrate, and a touch unit is disposed in a region defined by the touch scanning line and the touch readout line; each touch unit includes a light sensing sub-unit, a touch electrode and a touch signal control sub-unit; the light sensing sub-unit is connected with the touch signal control sub-unit through the touch electrode, and the control signal output from the light sensing sub-unit varies with the variation of external light and coupling capacitance of the touch electrode; the touch signal control sub-unit is connected with the touch scanning line and the touch readout line respectively, the touch signal control sub-unit outputs the touch sensing signal modulated by the control signal through the touch readout line upon the touch scanning line transferring electrical signals. Compared with a single mode capacitive touch screen panel, the in-cell touch screen panel disclosed in embodiments of the present invention can improve the touch sensitivity of the touch screen panel. | 07-23-2015 |