Transparent display device, method of manufacturing the same and backlight module

    公开(公告)号:US11662625B2

    公开(公告)日:2023-05-30

    申请号:US17304518

    申请日:2021-06-22

    CPC classification number: G02F1/133606 G02F1/133613

    Abstract: A transparent display device and a backlight module are provided. The transparent display device includes: a scattered display panel including a display side; a first base substrate on a side of the scattered display panel facing away from the display side; a light source on a side of the first base substrate; and a dot-array structure between the scattered display panel and the first base substrate. The first base substrate includes a light incident surface and a light emitting surface. The dot-array structure includes a plurality of protrusions, and orthographic projections of the plurality of protrusions on the light emitting surface are distributed in an array. An orthographic projection of each protrusion on a first plane is in an inverted trapezoidal shape in a direction from the first base substrate to the scattered display panel.

    Photosensitive circuit and driving method therefor, and detection device and display device

    公开(公告)号:US11178347B2

    公开(公告)日:2021-11-16

    申请号:US16639241

    申请日:2019-04-23

    Inventor: Zhiliang Wang

    Abstract: A photosensitive circuit and a driving method thereof, a detection device, and a display device are disclosed. The photosensitive circuit includes a reset sub-circuit, a compensation sub-circuit, a photosensitive sub-circuit, and a read sub-circuit. The reset sub-circuit is configured to provide an initial signal to a first node in response to a first control signal; the compensation sub-circuit is configured to compensate a level of the first node in response to a second control signal; the photosensitive sub-circuit is configured to receive incident light, supply a power supply voltage to the second node under control of the level of the first node, generate a sensing electrical signal based on the incident light, and provide the sensing electrical signal to the second node; and the read sub-circuit is configured to output the sensing electrical signal in response to a third control signal.

    SHIFT REGISTER UNIT AND DRIVING METHOD THEREOF, CIRCUIT, ARRAY SUBSTRATE AND DISPLAY DEVICE

    公开(公告)号:US20190304561A1

    公开(公告)日:2019-10-03

    申请号:US16465696

    申请日:2018-08-17

    Inventor: Zhiliang Wang

    Abstract: Provided are a shift register unit and a driving method thereof, a scanning drive circuit, an array substrate and a display device, in the field of display technology. The shift register unit includes a shift registering circuit configured to provide a second clock signal from a second clock signal terminal to a first scanning output terminal under the control of a signal from a first scanning input terminal; an output circuit configured to provide a first level to a second scanning output terminal when the second scanning input terminal is at a first level and a first clock signal from the first clock signal terminal is at a first level; a first reset circuit configured to provide a second level to the second scanning output terminal after the second clock signal switches from the first level to the second level

    Shift register and driving method thereof

    公开(公告)号:US10679577B2

    公开(公告)日:2020-06-09

    申请号:US15745107

    申请日:2017-08-31

    Inventor: Zhiliang Wang

    Abstract: A shift register and a driving method thereof. The shift register includes a first control circuit, a second control circuit, a third control circuit and an output control circuit. The first control circuit is connected to a signal input end, a first clock signal input end, a first level signal end, a first node and a third node. The second control circuit is connected to the first clock signal end, a second level signal end, the first node and a second node. The third control circuit is connected to a second clock signal end, the first level signal end, the first node, the second node and the third node. The output control circuit is connected to the second clock signal end, the first level signal end, the first node, the second node and a signal output end.

    PIXEL SENSING CIRCUIT AND DRIVING METHOD THEREOF, IMAGE SENSOR AND ELECTRONIC DEVICE

    公开(公告)号:US20200162687A1

    公开(公告)日:2020-05-21

    申请号:US16515276

    申请日:2019-07-18

    Inventor: Zhiliang Wang

    Abstract: The embodiments of the present disclosure provide a pixel sensing circuit. The photoelectric conversion sub-circuit is configured to collect an incident light, and generate an electrical signal based on the incident light collected, so as to charge the signal collection point. The resetting sub-circuit is configured to write a first power supply voltage from the first power supply terminal to the signal collection point. The compensation and pulling-up sub-circuit is configured to: obtain a threshold voltage of the conversion transistor; generate a compensation voltage according to the threshold voltage; write the compensation voltage to the signal collection point; pull up the voltage at the signal collection point. The selection sub-circuit is configured to control the connection between the first electrode of the conversion transistor and an image processor. The conversion transistor is configured to output the current signal according to the voltage at the signal collection point.

    Transparent display apparatus for improving contrast ratio and manufacturing method

    公开(公告)号:US12147112B2

    公开(公告)日:2024-11-19

    申请号:US17789932

    申请日:2021-07-06

    Abstract: A transparent display apparatus includes a liquid crystal cell and a Sight source opposite to a side surface of the ceil. The cell Includes a first substrate, first electrodes on the first substrate, a second substrate, a second electrode on the first or second substrata, a liquid crystal layer between the two substrates, signal lines on the first substrate, and a light-shielding pattern on the second substrate. The layer is configured to totally reflect or scatter light from the light source incident to a region, opposite to a first electrode, due to action of an electric field provided by the first and second electrodes. At least one signal line has a bottom surface and a light-reflecting side surface facing the light source, and a slope angle therebetween is acute. The pattern is located in a reflection path after a portion of the light irradiates the light-reflecting side surface.

    Pixel circuit, driving method thereof and display device

    公开(公告)号:US12057064B2

    公开(公告)日:2024-08-06

    申请号:US17352603

    申请日:2021-06-21

    CPC classification number: G09G3/3233 G09G3/32 G09G2300/0842

    Abstract: The present disclosure can provide a pixel circuit, a driving method thereof and a display device. By arranging a data write circuit, a driving control circuit, a light-emitting control circuit and a light-emitting device, the data write circuit provides a data signal of the data signal end for the driving control circuit in response to a signal of a first scanning signal end; the driving control circuit generates a driving current according to the data signal; and the light-emitting control circuit connects the driving control circuit with a cathode of the light-emitting device in response to a signal of a second scanning signal end, so that the driving current is input into the light-emitting device to control the light-emitting device to emit light. Besides, a voltage of the first power end is larger than that of the second power end.

    Photosensitive circuit, method of driving photosensitive circuit and display device

    公开(公告)号:US10665147B2

    公开(公告)日:2020-05-26

    申请号:US15953538

    申请日:2018-04-16

    Abstract: The present disclosure provides a photosensitive circuit, a method of driving a photosensitive circuit and a display device. The photosensitive circuit includes: a first photosensitive transistor, configured to be turned on in response to a signal of a first node, to transmit a current flowing through the first photosensitive transistor to a second node and generate an induced electrical signal based on an incident light; a second photosensitive transistor, configured to be turned on in response to a first scan signal, to transmit a voltage of the first scan signal to the first node and generate an induced electrical signal based on an incident light; and a first switch, configured to be turned on in response to the first scan signal, to transmit a signal of the second node to a reading terminal. Threshold voltages of both photosensitive transistors are negatively correlated with an intensity of the incident light.

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