Patent application number | Description | Published |
20100033955 | LIGHT GUIDE PLATES AND BACKLIGHT MODULE - A light guide plate includes a body having a bottom surface and a light output surface opposite to the bottom surface. A scattering structure is formed on the bottom surface. The scattering structure includes a plurality of scattering dots located in the form of a plurality of concentric shapes about the center. A backlight module using the light guide plate is also provided. | 02-11-2010 |
20100070060 | Method for designing a light guide plate and method for manufacturing the same - A method for designing a light guide plate includes the following steps. A raw light guide plate having a light input surface and a light output surface is provided. A region of the light input surface is divided into several annuluses according to a luminance distribution E(ρ,θ) of the light output surface. A scattering dots density D(ρ,θ) of each annulus on the light input surface is figured out. A total number N of the scattering dots of each annulus on the light input surface are gained, and the scattering dots is randomly distributed in the each annulus defined on the light input surface, whereby a designed light guide plate is obtained. | 03-18-2010 |
20100149787 | LIGHT GUIDE PLATES AND BACKLIGHT MODULE - A light guide plate includes a body having a bottom surface and a light output surface opposite to the bottom surface. A reflector is located on the light output surface opposite to the center of the bottom surface. The reflector is a cavity concaved from the light output surface to the inside of the body. A plurality of scattering dots are located on the bottom surface. The scattering dots are arranged in the form of a plurality of concentric circles around the center of the bottom surface. The number of the scattering dots is defined based on a radius of the circle they reside on, and the radius of the circle is greater than or substantially equal to 4 millimeter. | 06-17-2010 |
20110046922 | METHOD FOR DESIGNING A LIGHT GUIDE PLATE - The present disclosure relates to a method for designing a light guide plate. A raw light guide plate having a light input surface and light output surface opposite to the light input surface is provided. An illuminating surface having a shape and area same to that of the light output surface is built. The illuminating surface is divided into n×m illuminating areas, and the light input surface is divided into n×m scattering dots distributing areas corresponding to n×m illuminating areas. A number of original scattering dots are distributed on each scattering dots distributing areas. The original scattering dots are optimized. | 02-24-2011 |
20110090672 | LIGHT GUIDE PLATES AND BACKLIGHT MODULE - A light guide plate includes a body having a bottom surface, a top surface opposite to the bottom surface, and at least one lateral side. A recess is defined at the top surface. The recess is concaved toward the bottom surface and has a reflective surface. Only one part of the reflective surface has reflective structure located thereon. A backlight module using the light guide plate is related. | 04-21-2011 |
20110109839 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A backlight module includes a light guide plate and at least two groups of light sources. The light guide plate includes at least two independent light guide modules optically isolated from each other. Each group of light sources is located corresponding to an independent light guide module and controlled independently. A liquid crystal display using the backlight module is also related. | 05-12-2011 |
20120026722 | LIGHT GUIDE PLATES AND BACKLIGHT MODULE - A light guide plate includes a body having a bottom surface and a light output surface opposite to the bottom surface. A scattering structure is formed on the bottom surface. The scattering structure includes a number of scattering dots located in the form of a number of concentric shapes around the center. The scattering dots adjacent to the center are arranged in a plurality of concentric circles. The scattering dots adjacent to the edge are arranged in a number of concentric quadrilaterals having a shape substantially corresponding to a shape of the light guide plate. A backlight module using the light guide plate is also provided. | 02-02-2012 |
20140002048 | VOLTAGE BALANCING CONTROL METHOD FOR MODULAR MULTILEVEL CONVERTER | 01-02-2014 |
20140129195 | REAL TIME DYNAMIC PHYSICS SIMULATION DEVICE OF FLEXIBLE DC TRANSMISSION SYSTEM - The present invention relates to a real time dynamic physics simulation device of flexible DC transmission system. The device includes simulated converter transformer, simulated AC field, simulated DC field, simulated converter reactor, simulated converter, and measurement and control cabinet chassis; the simulated AC field includes the vacuum switch I, the contactor I, resistors and the vacuum switch II connected orderly; the simulated DC field includes successively connected the vacuum switch contactor III and II; the simulated AC field is connected with said measurement and control cabinet chassis; Said converter transformer is set between said resistors and said vacuum switch II; Said simulated converter reactors and said simulated converter connected are set between the vacuum switch II and the vacuum switch III. The present invention can accurately simulate different voltage level flexible DC transmission system based on modular multilevel converter (MMC-HVDC), able to accurately understand the operation characteristics of MMC-HVDC and the dynamic responds to the instruction of the control system. | 05-08-2014 |
20150033210 | METHOD AND SYSTEM FOR DEBUGGING A CHANGE-SET - Exemplary embodiment of include methods and systems for debugging a change-set. The method includes obtaining a change-set for debugging; calculating a code change region by using the change-set and generating breakpoints for debugging the change-set based on the code change region. In exemplary embodiments, breakpoints in a change-set can be set quickly and effectively. | 01-29-2015 |