CN-122024640-A - Peep-proof pixel circuit, peep-proof control module, peep-proof control method and peep-proof control device

CN122024640ACN 122024640 ACN122024640 ACN 122024640ACN-122024640-A

Abstract

The application provides a peep-proof pixel circuit, a peep-proof control module, a control method and a control device, wherein the peep-proof pixel circuit comprises a light-emitting control line, a data line, a first line scanning line, a second line scanning line and a third line scanning line, and comprises a pixel driving module, a control module, a peep-proof pixel module and a peep-proof signal line; through increasing control module and peep-proof signal line, the difference of utilizing the signal of peep-proof signal line gives different peep-proof signals to the pixel of current scanning for distinguish peep-proof display or normal demonstration, simultaneously, control module receives drive signal, utilizes different drive signal to adjust peep-proof pixel module's display brightness, and selectively inside switch on according to peep-proof signal's size, realize the effect of selectivity peep-proof, through the difference that changes peep-proof signal, realize the operation of flexibility peep-proof control, reach the technical effect of arbitrary local regional peep-proof, improve user experience degree.

Inventors

XIE HONGJUN
YU YONG
LIU HUI

Assignees

云谷（固安）科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260302

Claims (10)

1. The utility model provides a peep-proof pixel circuit, its characterized in that, peep-proof pixel circuit includes light emitting control line, data line, first line scanning line, second line scanning line and third line scanning line, peep-proof pixel circuit still includes: The anti-peeping device comprises a pixel driving module, a control module, an anti-peeping pixel module and an anti-peeping signal wire; The first input end of the pixel driving module is connected with the light-emitting control line, the second input end of the pixel driving module is connected with the first row scanning line, the third input end of the pixel driving module is connected with the second row scanning line, the fourth input end of the pixel driving module is connected with the data line, the output end of the pixel driving module is connected with the first input end of the control module, and the pixel driving module is used for converting a data signal transmitted by the data line into a pixel driving signal and outputting the pixel driving signal to the control module; The second input end of the control module is connected with the third line scanning line, the third input end of the control module is connected with the peep-proof signal line, the first output end of the control module is connected with the first input end of the peep-proof pixel module, the second output end of the control module is connected with the second input end of the peep-proof pixel module, the first line scanning line is a first scanning line for scanning the nth line of pixels, the second line scanning line is a second scanning line for scanning the nth line of pixels, the third line scanning line is a first scanning line for scanning the (n+2) th line of pixels, the peep-proof signal line is used for transmitting received peep-proof signals to the control module, and the control module controls the peep-proof pixel module to conduct peep-proof display according to the pixel driving signals.
2. The privacy pixel circuit of claim 1, wherein the control module comprises: A first transistor, a second transistor, a third transistor, and a first capacitor; The control end of the first transistor, the control end of the second transistor, the first end of the third transistor and one end of the first capacitor are all connected to a first node, the first end of the first transistor is used as the first input end of the control module, the first end of the second transistor is connected to the first end of the first transistor, and the second end of the first transistor is used as the first output end of the control module and is connected with the first input end of the peep-proof pixel module; The second end of the second transistor is used as a second output end of the control module and is connected with a second input end of the peep-proof pixel module; the other end of the first capacitor is connected with a reference power supply voltage line; the control end of the third transistor is used as a second input end of the control module to be connected with the third row scanning line, and the second end of the third transistor is used as a third input end of the control module to be connected with the peep-proof signal line; Preferably, the second transistor and the third transistor are of the same type, and the first transistor and the second transistor are of different types; Preferably, the first transistor is an N-type thin film transistor, the second transistor is a first P-type thin film transistor, and the third transistor is a second P-type thin film transistor.
3. The peep-proof pixel circuit of claim 1, wherein the peep-proof pixel module comprises: Conventional light emitting diodes and peep-proof light emitting diodes; The reverse input end of the conventional light-emitting diode is used as a first input end of the peep-proof pixel module and is connected with a first output end of the control module, the forward output end of the conventional light-emitting diode and the forward output end of the peep-proof light-emitting diode are connected to a negative power supply voltage line, and the conventional light-emitting diode is used for performing conventional display; The forward input end of the peep-proof light-emitting diode is used as a second input end of the peep-proof pixel module and is connected with a second output end of the control module, and the peep-proof light-emitting diode is used for peep-proof display; Preferably, the visual angle of the peep-proof light emitting diode is a preset acute angle or a right angle.
4. The peep-proof control module comprises the peep-proof pixel circuit as claimed in any one of claims 1-3, and is characterized by further comprising a time sequence control module, a level conversion module and a shift register; The timing control module is connected with the shift register and is used for receiving peep-proof area information sent by an external host, analyzing the peep-proof area information and then sending a peep-proof analysis signal to the shift register, wherein the peep-proof area information comprises peep-proof area coordinate data; The shift register is connected with the level conversion module and is used for transmitting the input peep-proof analysis information to the level conversion module so that the level conversion module converts the level of the peep-proof analysis information and then transmits a peep-proof signal to the peep-proof signal line; preferably, the module further comprises a source driving module and a gate driving module; The time sequence control module is respectively connected with the source electrode driving module and the grid electrode driving module, the source electrode driving module is used for providing source electrode driving signals for the peep-proof pixel circuit, and the grid electrode driving module is used for providing line scanning signals for the control module and providing light-emitting control signals and line scanning signals for the pixel driving module.
5. The peep-proof control method is applied to the peep-proof control module set as claimed in claim 4, and comprises the following steps: Obtaining peep-proof area information sent by an external host, wherein the peep-proof area information is coordinate data of a target area selected by the external host, and the number of the target areas is at least 1; analyzing the peep-proof area information to obtain a peep-proof target signal; Transmitting the peep-proof target signal to the peep-proof pixel module, and controlling the peep-proof pixel module.
6. The method according to claim 5, further comprising: Generating the peep-proof area information through the external host; The external host performs partition processing on the selected region to be peeped on the display screen to obtain a plurality of target partitions, wherein each target partition is set to be rectangular; Acquiring the number of the areas and the position coordinates of the areas corresponding to the target areas; and generating peep-proof area information according to the area quantity and the area position coordinates.
7. The method according to claim 5, wherein the parsing the peep-proof area information to obtain the peep-proof target signal includes: Analyzing the peep-proof area information to obtain peep-proof analysis data; and performing binarization processing on the peep-proof analysis data to obtain a corresponding peep-proof target signal.
8. The method of claim 5, wherein transmitting the peep-proof target signal to the peep-proof pixel module, the peep-proof pixel module being peep-proof controlled, comprises: Judging whether the current line scanning line scans the area where the peep-proof target signal is located or not to obtain a corresponding judging result; determining a target conduction state corresponding to a control module connected with the current line scanning line according to the judging result, wherein the target conduction state determines a peep-proof display state of a peep-proof pixel module; And performing peep-proof control on the peep-proof pixel module based on the target conduction state.
9. The method of claim 8, wherein the step of determining the position of the first electrode is performed, The step of judging whether the current line scanning line scans the area where the peep-proof target signal is located to obtain a corresponding judgment result comprises the following steps: When the current line scanning line scans the region where the peep-proof target signal is located, the obtained judgment result is a first judgment result, and the first judgment result represents scanning to the peep-proof region; When the current line scanning line does not scan the area where the peep-proof target signal is located, the obtained judgment result is a second judgment result, and the second judgment result represents that the peep-proof area is not scanned; preferably, the determining, according to the determination result, a target conduction state corresponding to the control module connected to the current line scan line includes: when the judging result is a first judging result, determining that a third transistor corresponding to the control module is in a conducting state, and outputting a low-level peep-proof signal by a first node; Determining that the first transistor is in a first off state and the second transistor is in a first on state based on the low-level peep-proof signal; When the judging result is a second judging result, determining that the third transistor corresponding to the control module is in a conducting state, and outputting a high-level peep-proof signal by the first node; Determining that the first transistor is in a second on state and the second transistor is in a second off state based on the high-level privacy signal; Preferably, the performing peep-proof control on the peep-proof pixel module based on the target on state includes: When the first transistor is in a first off state and the second transistor is in a first on state, starting peep-proof control, and controlling a conventional light-emitting diode corresponding to the peep-proof pixel module to keep the off state and the peep-proof light-emitting diode to keep the on state; when the first transistor is in a second on state and the second transistor is in a second off state, the peep-proof control is turned off, and the conventional light-emitting diode corresponding to the peep-proof pixel module is controlled to keep a bright state and the peep-proof light-emitting diode is controlled to keep a turned-off state.
10. A privacy control apparatus, comprising: And, an external host machine, and, The privacy control module of claim 4, wherein the privacy control module is electrically connected to the external host.

Description

Peep-proof pixel circuit, peep-proof control module, peep-proof control method and peep-proof control device Technical Field The application relates to a peep-proof pixel circuit, a peep-proof control module, a peep-proof control method and a peep-proof control device, and belongs to the technical field of pixel circuit control. Background Organic light emitting Diode (Active Matrix Organic LIGHT EMITTING Diode, AMOLED for short) flat panel display panels employ organic materials to fabricate light emitting devices, and TFTs (thin film transistors) are used to construct pixel circuits. The pixels are arranged in an array mode, and the display screen is in a progressive scanning refreshing mode. At present, a peep-proof film is generally adopted or a peep-proof material is directly adopted in a full screen mode to achieve the peep-proof effect, and the size of the peep-proof area cannot be flexibly selected by the means, so that the experience of a user is reduced. Disclosure of Invention The application provides a peep-proof pixel circuit, a peep-proof control module, a control method and a control device, which are used for solving the problem that a local peep-proof area cannot be flexibly selected, realizing the purpose of peep-proof of any local area and a plurality of areas and improving the experience of users. The application provides a peep-proof pixel circuit, which comprises a light-emitting control line, a data line, a first line scanning line, a second line scanning line and a third line scanning line, and further comprises a pixel driving module, a control module, a peep-proof pixel module and a peep-proof signal line, wherein a first input end of the pixel driving module is connected with the light-emitting control line, a second input end of the pixel driving module is connected with the first line scanning line, a third input end of the pixel driving module is connected with the second line scanning line, a fourth input end of the pixel driving module is connected with the data line, an output end of the pixel driving module is connected with the first input end of the control module, the pixel driving module is used for converting a data signal transmitted by the data line into a pixel driving signal, and outputting the pixel driving signal to the control module, a second input end of the control module is connected with the third line scanning line, a third input end of the control module is connected with the first input end of the peep-proof pixel module, a second output end of the control module is connected with the first input end of the peep-proof pixel module, the second input end of the control module is connected with the first line of the peep-proof pixel module, and the peep-proof pixel scanning line is used for transmitting the peep-proof signal to the first line and n-proof pixel line according to the first line and the peep-proof signal is used for the peep-proof pixel line. In one possible implementation manner of the peep-proof pixel circuit according to the first aspect, the control module comprises a first transistor, a second transistor, a third transistor and a first capacitor, wherein a control end of the first transistor, a control end of the second transistor, a first end of the third transistor and one end of the first capacitor are all connected to the first node, the first end of the first transistor is used as a first input end of the control module, the first end of the second transistor is connected to the first end of the first transistor, the second end of the first transistor is used as a first output end of the control module and is connected with the first input end of the peep-proof pixel module, the second end of the second transistor is used as a second output end of the control module and is connected with the second input end of the peep-proof pixel module, the other end of the first capacitor is connected with a reference power supply, the control end of the third transistor is used as a second input end of the control module and is connected with a third row scanning line, the second end of the third transistor is used as a third input end of the control module and is connected with the peep-proof signal line, the second transistor and the third transistor are of the same type, the first transistor and the second transistor and the third transistor are of the first transistor and the second transistor are of the same type. In one possible implementation manner of the peep-proof pixel circuit according to the first aspect, the peep-proof pixel module comprises a conventional light emitting diode and a peep-proof light emitting diode, wherein a reverse input end of the conventional light emitting diode is used as a first input end of the peep-proof pixel module and is connected with a first output end of the control module, a forward output end of the conventional light emitting diode and a forward output end of the peep-proof light emitting diode are