Liquid crystal display panel, control method thereof, and liquid crystal display device
A liquid crystal display panel and liquid crystal layer technology, applied to static indicators, instruments, semiconductor devices, etc., can solve the problem that the display panel is not enough to be an effective light source
Inactive Publication Date: 2019-07-05
BOE TECH GRP CO LTD +1
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, the light transmittance of a typical LCD device in image display mode is only about 4% on average
Therefore, even when the light intensity of the backlight is set to the highest intensity, the illumination provided by the display panel is in many cases insufficient to be an effective light source
Method used
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[0035] The present disclosure will now be described more specifically with reference to the following examples. It should be understood that the following description of some embodiments is provided herein for purposes of illustration and description only. The disclosure is not intended to be exhaustive or to be limited to the precise forms disclosed.
[0036] The present disclosure provides a novel LCD panel, an LCD device, and a controlling method thereof that substantially obviate one or more problems due to limitations and disadvantages of the related art. In addition to the image display mode, the LCD panel may also operate in an illumination mode with a light intensity much stronger than that in the image display mode. The LCD panel may switch to the lighting mode manually by a user or automatically in response to a detected ambient light intensity below a threshold level. For example, the LCD panel may switch to a lighting mode in response to a user activation for tur...
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Abstract
The present application discloses a liquid crystal display panel having a plurality of pixels for image display, each of the plurality of pixels includes a sub-pixel area and an inter-sub-pixel area. The liquid crystal display panel comprises: an array substrate, an encapsulation substrate facing the array substrate, and a liquid crystal layer located between the array substrate and the encapsulation substrate; a pixel electrode layer and a common electrode layer for applying an electric field to drive the liquid crystal layer, and the pixel electrode layer Including a plurality of pixel electrodes, the common electrode layer includes a plurality of common electrodes; a first electrode signal line layer, which includes a plurality of first electrode signal lines; and a plurality of circuits, each of which is electrically connected to The output terminal of the first electrode signal line of the first electrode signal line layer, the input terminal configured to receive the input voltage, and the control terminal configured to receive the control voltage; at least the part of the first electrode signal line electrically connected to the output terminal is located in the liquid crystal In the area between the sub-pixels of the display panel; the part of the first electrode signal line located in the area between the sub-pixels of the liquid crystal display panel is configured to be connected to at least one of the common electrode, the pixel electrode, the touch electrode and another first electrode signal line Together, an additional electric field is generated, which is applied to the liquid crystal layer to enhance light transmittance of the liquid crystal layer.
Description
technical field [0001] The present invention relates to the field of display technology, and more specifically, to a liquid crystal display panel, a control method thereof, and a liquid crystal display device. Background technique [0002] Liquid crystal display (LCD) devices, such as smartphones or tablet computers, generally operate in an image display mode to display images. Usually, a flash is mounted on the back of the LCD device for temporary lighting, for example, as a light source for photography. However, typical display devices do not have a flash on their front, which limits their use in certain applications. For example, when a user takes a selfie photo, the display panel itself can be used as a lighting source. However, the light transmittance of a typical LCD device in an image display mode is only about 4% on average. Therefore, even when the light intensity of the backlight is set to the highest intensity, the illumination provided by the display panel is ...
Claims
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IPC IPC(8): G02F1/1362G09G3/36
CPCG02F1/1362G09G3/3648G09G2360/14G09G2354/00G02F1/134363G02F1/13338G02F1/133512G02F1/136286G06F3/0446G06F3/0443G06F3/0445G06F3/04166G02F1/133626G06F3/01H01L27/1214H01L2027/11879G02F1/13471G02F1/136209G02F1/133606G09G3/36G02F2201/12G02F1/133507G02F1/134309G02F2201/121G02F2201/123G06F3/0412H01L27/124
Inventor 郭远辉
Owner BOE TECH GRP CO LTD