Grating driving circuit, grating control system and 3D display device
A grating driving and driving voltage technology, applied in optics, optical components, nonlinear optics, etc., can solve the problems of high cost, complicated control process, complex output control process of the grating drive module, etc., and achieve low cost and simple control process Effect
Inactive Publication Date: 2017-03-22
BOE TECH GRP CO LTD
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[0047] In order for those skilled in the art to better understand the technical solution of the present invention, a grating driving circuit, a grating control system and a 3D display device provided by the present invention will be described in detail below with reference to the accompanying drawings.
[0048] figure 1 A schematic structural diagram of a grating drive circuit provided in Embodiment 1 of the present invention, as shown in figure 1 As shown, the voltage output terminal OUT of the grating driving circuit is connected to the corresponding control electrode, and the grating driving circuit includes: a first driving voltage output unit 1, a second driving voltage output unit 3, a reference voltage output unit 2, a first driving The voltage output unit 1 , the second driving voltage output unit 3 and the reference voltage output unit 2 are all connected to the voltage output terminal OUT of the raster driving circuit.
[0049] The first driving voltage output unit ...
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Abstract
The invention discloses a grating driving circuit, a grating control system and a 3D display device. The grating driving circuit comprises a first driving voltage output unit, a second driving voltage output unit and a reference voltage output unit, wherein the first driving voltage output unit is used for outputting a first driving voltage to a control electrode under the control of a first control signal line; the second driving voltage output unit is used for outputting a second driving voltage to the control electrode under the control of a second control signal line; the reference voltage output unit is used for outputting a reference voltage to the control electrode; and relative to the reference voltage, the first driving voltage and the second driving voltage are opposite in polarity and equal in level. The grating driving circuit provided by the invention can realize real-time control on output of the grating driving circuit only by virtue of control on signals in the first control signal line and the second control signal line, the control process of the grating driving circuit is simple, and the cost is low.
Description
technical field [0001] The invention relates to the field of display technology, in particular to a grating driving circuit, a grating control system and a 3D display device. Background technique [0002] In order to realize 3D display, the existing technology is to add a layer of liquid crystal grating on the display panel. The liquid crystal grating includes a first substrate, a second substrate and a liquid crystal layer located between the two substrates, wherein the first substrate is provided with a Several control electrodes arranged in parallel, each control electrode is connected to the grating drive module through corresponding signal wires, planar electrodes (applied with reference voltage) are arranged on the second substrate, according to the setting position of the control electrodes, the liquid crystal grating It can be divided into several grating areas, and the control electrodes correspond to the grating areas one by one. [0003] Taking the normally white...
Claims
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IPC IPC(8): G02F1/29G09G3/36G02B27/22
CPCG02B30/00G02F1/29G09G3/36
Inventor 彭敏高延凯邵继洋
Owner BOE TECH GRP CO LTD