Abstract:
The method provides a browsing environment for a user in a free space through proactive interface design and dragging-style operation gesture. The method contains the following steps. First, an interface is provided, which contains a number of selection items. Then, an automatic selection zone is provided in the interface. Then, by pressing down a button of a remote control device and moving the remote control device, the selection items are scrolled. Then, as a selection item enters the automatic selection zone, the selection item becomes the automatic selected item, and clicking the selection item would execute the selection item. With this method, a remote control device with a single key could be conveniently used for browsing menu, setting configuration, and Internet navigation without looking at the remote control device.
Abstract:
A liquid crystal display (LCD) device control system or an LCD device includes a control circuit board includes a sequence control circuit, a panel includes a source drive circuit, and a scalar circuit board includes a first voltage reduction module. The sequence control circuit is configured with a main power end and an auxiliary power end. The main power end of the sequence control circuit and the source drive circuit are coupled to the first voltage reduction module to supply power.
Abstract:
The present invention discloses a tape substrate for chip on film structure of a liquid crystal panel. The tape substrate is provided with plural package units of chip on film structures arranged along its longitudinal direction, and the package unit has a driver chip, input leads and output leads. The longitudinal direction of the driver chip is parallel to the longitudinal direction of the tape substrate, and the input leads and the output leads are located at the two opposite sides of the driver chip. Each package unit is set up with a short side and a long side, and the input leads are formed at the short side, while the output leads are formed at the long side. In the package units adjacent to each other, the short side of one package unit joins the long side of a next package unit. This invention further discloses a liquid crystal panel having the tape substrate.
Abstract:
A code checking method for a memory of a printed circuit board is disclosed, and is used to firstly add a check code to a data end of codes, after the codes is written in a memory, then use a timing controller to calculate a checksum of the data of the part of the primary codes and further compare the calculated checksum with the check code, and then output to a probe via a testing pin to display the result of comparison, so as to accomplish an object of checking if the written codes are correct. Thus, work efficiency of checking the codes written in the memory is enhanced.
Abstract:
The present disclosure provides a panel video system controller and a liquid crystal display (LCD) device. The panel video system controller includes a timing control circuit and a video processing circuit, and the timing control circuit and the video processing circuit are integrated into a same integrated circuit. In research, data. connection between a back-end system of the LCD device such as television and the LCD panel is mainly achieved by a video processing, chip and the timing control circuit. In the present disclosure, the video processing chip in the back-end system of the LCD device and the timing control circuit in the LCD panel are integrated. On one hand, circuit integration level is increased, and assembly process is simplified. On the other hand, it is not needed to use additional data conversion interface between the back-end system of the LCD device and the LCD panel, thereby reducing the product development cycle, development cost, and assembly process.
Abstract:
A temperature control method for light emitting diode (LED) is disclosed, and the method comprises the following steps: acquiring the present temperature of the LED during the light emission of the LED; obtaining a driving electric current corresponding to the present temperature based on the present temperature of the LED; and driving the LED based on the driving electric current. This invention further discloses a temperature control device for the LED and a liquid crystal display.
Abstract:
The present invention provides a chip-on-film (COF) structure for a liquid crystal panel, which comprises a flexible substrate, a driver chip, a plurality of output-side traces. The flexible substrate is provided with an output edge to be connected to a liquid crystal panel. The driver chip is disposes on the upper surface of the flexible substrate, and the longitudinal direction of the driver chip is perpendicular or oblique to the output edge. The output-side traces are linear, curved or L-shape to connect terminals of two sides of the driver chip to the output edge, so as to simplify the circuit layout of the COF structure.
Abstract:
A light emitting diode (LED) backlight driving circuit includes LED lightbar(s) and a control module; the control module includes a dimming controllable switch. The LED lightbars are connected with the dimming controllable switch in series. Two ends of the dimming controllable switch are connected with a varistor in parallel. Because two ends of the dimming controllable switch are connected with a varistor in parallel, when the dimming controllable switch is switched off, a current of the branch circuit is suddenly reduced, the voltage withstood by the LED lightbars is greatly reduced, and the voltage on two ends of the dimming controllable switch is increased. Then, under action of high voltage, resistance of the varistors connected in parallel is reduced, and the current of a new branch circuit formed by the LED lightbars and the varistor is also increased. Thus, the voltage withstood by the LED lightbars is increased again and the voltage on two ends of the dimming controllable switch is reduced.
Abstract:
A liquid crystal display (LCD) device control system or an LCD device includes a control circuit board includes a sequence control circuit, a panel includes a source drive circuit, and a scalar circuit board includes a first voltage reduction module. The sequence control circuit is configured with a main power end and an auxiliary power end. The main power end of the sequence control circuit and the source drive circuit are coupled to the first voltage reduction module to supply power.
Abstract:
A liquid crystal display for displaying either a flat image or a stereoscopic image, comprising: a panel; and a backlight unit for providing a light source to the panel. The backlight unit comprising: a switch circuit and an oscillator. One end of the switch circuit is electrically connected with a first resistor, and another end of the switch circuit is electrically connected with a second resistor. When the switch circuit is turned on, the first resistor is connected with the second resistor in parallel. The oscillator is electrically connected with the first resistor and the switch circuit. When the switch circuit is turned off, the oscillator outputs a first frequency, and when the switch circuit is turned on, the oscillator outputs a second frequency.