CN106356033A - Shutdown discharging circuit and method, display module and display device - Google Patents
Shutdown discharging circuit and method, display module and display device Download PDFInfo
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- CN106356033A CN106356033A CN201611039142.4A CN201611039142A CN106356033A CN 106356033 A CN106356033 A CN 106356033A CN 201611039142 A CN201611039142 A CN 201611039142A CN 106356033 A CN106356033 A CN 106356033A
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- shutdown
- discharge
- display module
- enabling signal
- ghost shadow
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention provides a shutdown discharging circuit and method, a display module and a display device. The shutdown discharging circuit is used for discharging all data lines included by the display module during shutdown and comprises a discharging unit respectively connected with all the data lines included by the display module and the ground, and the discharging unit is used for controlling all the data lines included by the display module to be conducted with the ground to discharge when the display module shuts down. The shutdown discharging circuit provided by the invention can be mutually conducted with the ground by controlling the data lines during shutdown, so as to realize the aim of fully discharging. The shutdown discharging circuit described by the embodiment of the invention is simple in structure, has higher feasibility and can effectively solve the problem that damage is caused to a display product by heavy current of the display product during the shutdown.
Description
Technical field
The present invention relates to shutdown discharge technology field, more particularly, to a kind of shutdown discharge circuit, method, display module and aobvious
Showing device.
Background technology
In order to avoid the appearance of power-off ghost shadow, lcd (liquid crystal display, liquid crystal display) is in shutdown
Need to carry out discharging action to display floater inside all pixels, all grid lines are opened, whole pixels pass through connected data wire will
Internal residual electric charge discharges, and these electric currents can pass through acf anisotropic conductive film when flowing through binding position,
Anisotropic conductive film) in gold goal particle being transmitted.In the less situation of the gold goal particle of acf
Under, contact that the electric current passing through on good gold goal particle is larger, when electric current exceed gold goal particle ability to bear when, partly gold
Spherolite can be blown, and so, other gold goal particles will bear these transient currents.When through multiple switching machine it
Afterwards, all gold goal particles all can be blown, and signal cannot be carried out transmitting, and causes picture abnormal.Therefore, find a kind of effectively solving
The method of shutdown high current seems particularly important.
Content of the invention
Present invention is primarily targeted at providing a kind of shutdown discharge circuit, method, display module and display device, solve
Data wire present in prior art can pass through acf when the electric current that internal residual electric charge discharges generation is flowed through binding position
In gold goal particle being transmitted, thus leading to the gold goal particle in acf cannot bear this electric current and causing picture abnormal
Problem.
In order to achieve the above object, the invention provides a kind of shutdown discharge circuit, in shutdown to display module
Including the electric discharge of all data wires, comprising:
Discharge cell, all data wires including and ground terminal are connected with this display module respectively, in described display mould
All data wires that this display module includes are controlled all to turn on ground terminal to be discharged during group shutdown.
During enforcement, shutdown discharge circuit of the present invention also includes power-off ghost shadow and eliminates enabling signal signal generating unit and pass
Machine grid line control unit, wherein,
Described power-off ghost shadow eliminates enabling signal signal generating unit and is used for generating power-off ghost shadow elimination enabling signal, controls in institute
The current potential that when stating display module start, described power-off ghost shadow eliminates enabling signal is the first level, when described display module is shut down
The current potential that described power-off ghost shadow eliminates enabling signal is second electrical level；
Described shutdown grid line control unit, eliminates enabling signal signal generating unit and described display with described power-off ghost shadow respectively
All grid lines that module includes connect, for controlling institute when eliminating the current potential of enabling signal for second electrical level when described power-off ghost shadow
State all grid lines that display module includes all to open.
During enforcement, when for high level, second electrical level is low level to described first level, described discharge cell includes:
Discharge control signal generation module, anti-phase for carrying out to described power-off ghost shadow elimination enabling signal, thus obtaining
Discharge control signal；And,
Discharge transistor, grid is connected with the discharge control signal outfan of described discharge control signal generation module, the
One pole is connected with all data wires that described display module includes respectively, and the second pole is connected with ground terminal；
Described discharge transistor is n-type transistor.
During enforcement, when for high level, second electrical level is low level to described first level, described discharge cell includes:
Discharge transistor, the power-off ghost shadow that grid and described power-off ghost shadow eliminate enabling signal signal generating unit eliminates startup letter
Number outfan connects, and the first pole is connected with ground terminal, and the second pole is connected with all data wires that described display module includes respectively；
Described discharge transistor is p-type transistor.
During enforcement, when for low level, second electrical level is high level to described first level, described discharge cell includes:
Discharge transistor, the power-off ghost shadow that grid and described power-off ghost shadow eliminate enabling signal signal generating unit eliminates startup letter
Number outfan connects, and the first pole is connected with all data wires that described display module includes respectively, and the second pole is connected with ground terminal；
Described discharge transistor is n-type transistor.
During enforcement, when for low level, second electrical level is high level to described first level, described discharge cell includes:
Discharge control signal generation module, anti-phase for carrying out to described power-off ghost shadow elimination enabling signal, thus obtaining
Discharge control signal；And,
Discharge transistor, grid is connected with the discharge control signal outfan of described discharge control signal generation module, the
One pole is connected with ground terminal, and the second pole is connected with all data wires that described display module includes respectively；
Described discharge transistor is p-type transistor.
Present invention also offers a kind of shutdown charging method, it is applied to above-mentioned shutdown discharge circuit, comprising:
When described display module is shut down, discharge cell controls all data wires that this display module includes all to lead with ground terminal
Pass to and discharged.
Present invention also offers a kind of display module, including a plurality of data lines and above-mentioned shutdown discharge circuit；
The discharge cell that described shutdown discharge circuit includes is connected with described a plurality of data lines respectively.
During enforcement, display module of the present invention also includes a plurality of grid line, and described shutdown discharge circuit also includes mutually
The power-off ghost shadow connecting eliminates enabling signal signal generating unit and shutdown grid line control unit；
Described shutdown grid line control unit is connected with described a plurality of grid line respectively.
Present invention also offers a kind of display device, including above-mentioned display module.
Compared with prior art, shutdown discharge circuit of the present invention, method, display module and display device include putting
Electric unit, for controlling all data wires to be grounded to be substantially discharged in shutdown, can control data wire and ground terminal in shutdown
Mutual conduction is to reach the purpose being substantially discharged, it is to avoid during shutdown, the electric discharge high current of data wire is in the acf of binding region
The electric discharge of gold goal particle and lead to gold goal burnt particle (lead to picture abnormal) this problem.The present invention implements described shutdown puts
Electric circuit structure is simple, has higher feasibility, can display product be caused to damage effectively solving display product shutdown high current
Bad problem.
Brief description
Fig. 1 is the structure chart of the shutdown discharge circuit described in the embodiment of the present invention；
Fig. 2 is the structure chart of the shutdown discharge circuit described in the embodiment of the present invention；
Fig. 3 be a kind of in the case of xon and xon1 V diagram；
Fig. 4 is the circuit diagram of the embodiment of discharge cell that shutdown discharge circuit of the present invention includes；
Fig. 5 is the circuit diagram of another embodiment of discharge cell that shutdown discharge circuit of the present invention includes；
Fig. 6 is the V diagram of xon and xon1 in another case；
Fig. 7 is the circuit diagram of the another embodiment of discharge cell that shutdown discharge circuit of the present invention includes；
Fig. 8 is the circuit diagram of the another embodiment of discharge cell that shutdown discharge circuit of the present invention includes.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Shutdown discharge circuit described in the embodiment of the present invention, for all data wires display module being included in shutdown
Electric discharge, comprising:
Discharge cell, all data wires including and ground terminal are connected with this display module respectively, in described display mould
All data wires that this display module includes are controlled all to turn on ground terminal to be discharged during group shutdown.
Shutdown discharge circuit described in the embodiment of the present invention includes discharge cell, for controlling all data wires in shutdown
Ground connection is to be substantially discharged, it is to avoid in prior art, the electric current that internal residual electric charge discharges generation is flowed through bindings bit by data wire
Can be passed by the gold goal particle in acf (anisotropic conductive film, anisotropic conductive film) when putting
Defeated, thus leading to the gold goal particle in acf cannot bear this electric current and causing the abnormal problem of picture.
In practical operation, described discharge cell can include discharge transistor, and the shutdown described in the embodiment of the present invention is put
Circuit can apply to tft-lcd (thin film transistor-liquid crystal display, film crystal
Pipe-liquid crystal display) field, for solving the problems, such as shutdown high current present in prior art, described in the embodiment of the present invention
Shutdown discharge circuit introduces one discharge transistor between all data wires that display module includes and ground terminal, can pass
Control data wire and ground terminal mutual conduction to reach the purpose being substantially discharged, it is to avoid the electric discharge high current of data wire during shutdown during machine
Gold goal particle in the acf of binding region discharges and leads to gold goal burnt particle (leading to picture extremely) this problem.This
Invention implements described shutdown discharge circuit structure simply, has higher feasibility, and energy effectively solving display product shutdown is big
The problem that electric current causes to damage to display product.
As shown in figure 1, display module 10 includes n data line, dl1 indicates the first data wire, and dl2 indicates the second data
Line, dln indicates the n-th data wire, and dln indicates the n-th data wire；N is the integer more than 3, and n is the integer being less than n more than 2；
Shutdown discharge circuit described in the embodiment of the present invention includes discharge cell 11；
The n data line including and ground terminal gnd are connected described discharge cell 11 with described display module 10 respectively, for
This n data line is controlled all to turn on ground terminal gnd to be substantially discharged during described display module 10 shutdown.
In practical operation, as shown in Fig. 2 the shutdown discharge circuit described in the embodiment of the present invention also includes power-off ghost shadow disappearing
Except enabling signal signal generating unit 12 and shutdown grid line control unit 13, wherein,
Described power-off ghost shadow eliminates enabling signal signal generating unit 12 and is used for generating power-off ghost shadow elimination enabling signal xon, control
The current potential that system described power-off ghost shadow when described display module 10 is started shooting eliminates enabling signal xon is the first level, described aobvious
The current potential that when showing module shutdown, described power-off ghost shadow eliminates enabling signal xon is second electrical level；
Described shutdown grid line control unit 13, eliminates enabling signal signal generating unit 12 and described with described power-off ghost shadow respectively
All grid lines that display module 10 includes connect, and the current potential for eliminating enabling signal xon when described power-off ghost shadow is the second electricity
All grid lines that described display module 10 includes are controlled all to open at ordinary times, to control internal residual electric charge in whole pixels to pass through institute
Even data wire discharges.
In fig. 2, the first grid line that described display module 10 includes is denoted as gl1, described display module 10 includes
Two grid lines are denoted as gl2, and the m grid line that described display module 10 includes is denoted as glm, the m that described display module 10 includes
Grid line is denoted as glm, and m is the integer more than 3, and m is the integer being less than m more than 2.
The embodiment limit of present invention shutdown discharge circuit as shown in Figure 2 also includes power-off ghost shadow and eliminates enabling signal generation
Unit and shutdown grid line control unit, the current potential that shutdown grid line control unit eliminates enabling signal in this described power-off ghost shadow is the
All grid lines that two Automatic level control display modules include all are opened, so that whole pixel passes through connected data wire by internal residual
Electric charge discharges.
In the specific implementation, when described first level is high level, described second electrical level is low level；When described first
When level is low level, described second electrical level is high level.
Specifically, when for high level, second electrical level is low level to described first level, described discharge cell includes:
Discharge control signal generation module, anti-phase for carrying out to described power-off ghost shadow elimination enabling signal, thus obtaining
Discharge control signal；And,
Discharge transistor, grid is connected with the discharge control signal outfan of described discharge control signal generation module, the
One pole is connected with all data wires that described display module includes respectively, and the second pole is connected with ground terminal；
Described discharge transistor is n-type transistor.
Specifically, when for high level, second electrical level is low level to described first level, described discharge cell includes:
Discharge transistor, the power-off ghost shadow that grid and described power-off ghost shadow eliminate enabling signal signal generating unit eliminates startup letter
Number outfan connects, and the first pole is connected with ground terminal, and the second pole is connected with all data wires that described display module includes respectively；
Described discharge transistor is p-type transistor.
Specifically, when for low level, second electrical level is high level to described first level, described discharge cell includes:
Discharge transistor, the power-off ghost shadow that grid and described power-off ghost shadow eliminate enabling signal signal generating unit eliminates startup letter
Number outfan connects, and the first pole is connected with all data wires that described display module includes respectively, and the second pole is connected with ground terminal；
Described discharge transistor is n-type transistor.
Specifically, when for low level, second electrical level is high level to described first level, described discharge cell includes:
Discharge control signal generation module, anti-phase for carrying out to described power-off ghost shadow elimination enabling signal, thus obtaining
Discharge control signal；And,
Discharge transistor, grid is connected with the discharge control signal outfan of described discharge control signal generation module, the
One pole is connected with ground terminal, and the second pole is connected with all data wires that described display module includes respectively；
Described discharge transistor is p-type transistor.
According to a kind of specific embodiment, as shown in figure 3, for high level, second electrical level v2 is as described first level v1
During low level, as shown in figure 4, described discharge cell includes:
Discharge control signal generation module 111, anti-phase for carrying out to described power-off ghost shadow elimination enabling signal xon, from
And obtain discharge control signal xon1；And,
Discharge transistor m1, grid is connected with the discharge control signal outfan of described discharge control signal generation module 111
Connect, all data wires being included with described display module (not shown in Fig. 4) respectively that drain are connected, and source electrode is connected with ground terminal gnd；
Described discharge transistor m1 is n-type transistor.
In the diagram, illustrate only the data line dl that described display module includes as an example.
The current potential schematic diagram of xon1 is also show in Fig. 3.
The embodiment of present invention discharge cell as shown in Figure 4 operationally, when described display module is shut down, xon's
Current potential is low level, and the current potential of xon1 is high level, because m1 is n-type transistor, such that it is able to control m1 to turn on, so that total
Can discharge completely to ground terminal gnd according to the electric charge on line dl.
According to another kind of specific embodiment mode, when for high level, second electrical level is low level to described first level,
As shown in figure 5, described discharge cell includes:
Discharge transistor m1, grid eliminates the pass of enabling signal signal generating unit (not shown in Fig. 5) with described power-off ghost shadow
Machine ghost eliminates enabling signal outfan, and (described power-off ghost shadow eliminates enabling signal outfan output power-off ghost shadow and eliminates and starts letter
Number xon) connect, drain electrode and ground terminal gnd, source electrode is connected with all data wires that described display module includes respectively；
Described discharge transistor is p-type transistor.
In Figure 5, illustrate only the data line dl that described display module includes as an example.
The embodiment of present invention discharge cell as shown in Figure 5 operationally, when described display module is shut down, xon's
Current potential is low level, because m1 is p-type transistor, such that it is able to control m1 to turn on, so that the electric charge on data wire dl is permissible
Discharge completely to ground terminal gnd.
According to another specific embodiment, as shown in fig. 6, when described first level v1 for low level second electrical level v2
During for high level, as shown in fig. 7, described discharge cell includes:
Discharge transistor m1, grid eliminates the pass of enabling signal signal generating unit (not shown in Fig. 7) with described power-off ghost shadow
Machine ghost eliminates enabling signal outfan, and (described power-off ghost shadow eliminates enabling signal outfan output power-off ghost shadow and eliminates and starts letter
Number xon) connect, drain electrode is connected with all data wires that described display module includes respectively, and source electrode is connected with ground terminal gnd；
Described discharge transistor is n-type transistor.
The current potential schematic diagram of xon1 is also show in Fig. 6.
In the figure 7, illustrate only the data line dl that described display module includes as an example.
The embodiment of present invention discharge cell as shown in Figure 7 operationally, when described display module is shut down, xon's
Current potential is high level, because m1 is n-type transistor, such that it is able to control m1 to turn on, so that the electric charge on data wire dl is permissible
Discharge completely to ground terminal gnd.
According to another specific embodiment, when for low level, second electrical level is high level to described first level, such as
Shown in Fig. 8, described discharge cell includes:
Discharge control signal generation module 111, anti-phase for carrying out to described power-off ghost shadow elimination enabling signal xon, from
And obtain discharge control signal xon1；And,
Discharge transistor m1, grid is connected with the discharge control signal outfan of described discharge control signal generation module 111
Connect, drain electrode is connected with ground terminal gnd, and source electrode is connected with all data wires that described display module includes respectively；
Described discharge transistor m1 is p-type transistor.
In fig. 8, illustrate only the data line dl that described display module includes as an example.
In the specific embodiment of the discharge cell of the present invention such as Fig. 4, Fig. 5, Fig. 7, Fig. 8, m1 is mosfet (metal-
Oxide-semiconductor field-effect transistor, Metal-Oxide Semiconductor field-effect transistor), but
When being practical operation, m1 can also be the others switching device such as audion, tft (thin film transistor (TFT)).
Shutdown charging method described in the embodiment of the present invention, is applied to above-mentioned shutdown discharge circuit, comprising:
When described display module is shut down, discharge cell controls all data wires that this display module includes all to lead with ground terminal
Pass to and discharged.
Display module described in the embodiment of the present invention includes a plurality of data lines and above-mentioned shutdown discharge circuit；
The discharge cell that described shutdown discharge circuit includes is connected with described a plurality of data lines respectively.Claim 8 limits
The display module of enclosed mass above-mentioned shutdown discharge circuit
Specifically, the display module described in the embodiment of the present invention also includes a plurality of grid line, and described shutdown discharge circuit also wraps
Include interconnective power-off ghost shadow and eliminate enabling signal signal generating unit and shutdown grid line control unit；
Described shutdown grid line control unit is connected with described a plurality of grid line respectively.
Display device described in the embodiment of the present invention, including above-mentioned display module.
The above is the preferred embodiment of the present invention it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of shutdown discharge circuit, for all data wires electric discharges of display module being included in shutdown it is characterised in that
Including:
Discharge cell, all data wires including and ground terminal are connected with this display module respectively, for closing in described display module
All data wires that this display module includes are controlled all to turn on ground terminal to be discharged during machine.
2. shutdown discharge circuit as claimed in claim 1 generates it is characterised in that also including power-off ghost shadow and eliminating enabling signal
Unit and shutdown grid line control unit, wherein,
Described power-off ghost shadow eliminates enabling signal signal generating unit and is used for generating power-off ghost shadow elimination enabling signal, controls described aobvious
The current potential that when showing module start, described power-off ghost shadow eliminates enabling signal is the first level, described in when described display module is shut down
The current potential that power-off ghost shadow eliminates enabling signal is second electrical level；
Described shutdown grid line control unit, respectively
The all grid lines being included with described power-off ghost shadow elimination enabling signal signal generating unit and described display module are connected, for working as
All grid lines that described power-off ghost shadow controls described display module to include when eliminating the current potential of enabling signal for second electrical level are all beaten
Open.
3. as claimed in claim 2 shutdown discharge circuit it is characterised in that when described first level for high level second electricity
When putting down as low level, described discharge cell includes:
Discharge control signal generation module, anti-phase for carrying out to described power-off ghost shadow elimination enabling signal, thus being discharged
Control signal；And,
Discharge transistor, grid is connected with the discharge control signal outfan of described discharge control signal generation module, the first pole
It is connected with all data wires that described display module includes respectively, the second pole is connected with ground terminal；
Described discharge transistor is n-type transistor.
4. as claimed in claim 2 shutdown discharge circuit it is characterised in that when described first level for high level second electricity
When putting down as low level, described discharge cell includes:
The power-off ghost shadow elimination enabling signal that discharge transistor, grid and described power-off ghost shadow eliminate enabling signal signal generating unit is defeated
Go out end to connect, the first pole is connected with ground terminal, and the second pole is connected with all data wires that described display module includes respectively；
Described discharge transistor is p-type transistor.
5. as claimed in claim 2 shutdown discharge circuit it is characterised in that when described first level for low level second electricity
When putting down as high level, described discharge cell includes:
The power-off ghost shadow elimination enabling signal that discharge transistor, grid and described power-off ghost shadow eliminate enabling signal signal generating unit is defeated
Go out end to connect, the first pole is connected with all data wires that described display module includes respectively, and the second pole is connected with ground terminal；
Described discharge transistor is n-type transistor.
6. as claimed in claim 2 shutdown discharge circuit it is characterised in that when described first level for low level second electricity
When putting down as high level, described discharge cell includes:
Discharge control signal generation module, anti-phase for carrying out to described power-off ghost shadow elimination enabling signal, thus being discharged
Control signal；And,
Discharge transistor, grid is connected with the discharge control signal outfan of described discharge control signal generation module, the first pole
It is connected with ground terminal, the second pole is connected with all data wires that described display module includes respectively；
Described discharge transistor is p-type transistor.
7. a kind of shutdown charging method, is applied to the shutdown discharge circuit as described in any claim in claim 1 to 6,
It is characterized in that, comprising:
When described display module is shut down, discharge cell control all data wires that this display module includes all with ground terminal conducting with
Discharged.
8. a kind of display module is it is characterised in that include a plurality of data lines and as any claim institute in claim 1 to 6
The shutdown discharge circuit stated；
The discharge cell that described shutdown discharge circuit includes is connected with described a plurality of data lines respectively.
9., it is characterised in that also including a plurality of grid line, described shutdown discharge circuit is also for display module as claimed in claim 9
Eliminate enabling signal signal generating unit and shutdown grid line control unit including interconnective power-off ghost shadow；
Described shutdown grid line control unit is connected with described a plurality of grid line respectively.
10. a kind of display device is it is characterised in that include display module as claimed in claim 8 or 9.
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| CN201611039142.4A CN106356033A (en) | 2016-11-21 | 2016-11-21 | Shutdown discharging circuit and method, display module and display device |
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| CN201611039142.4A CN106356033A (en) | 2016-11-21 | 2016-11-21 | Shutdown discharging circuit and method, display module and display device |
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| CN107909979A (en) * | 2017-12-08 | 2018-04-13 | 南京中电熊猫平板显示科技有限公司 | Liquid crystal display device and the method for improving display panel power down splashette |
| CN108172184A (en) * | 2018-01-02 | 2018-06-15 | 京东方科技集团股份有限公司 | Shutdown discharge circuit and display module |
| CN108962170A (en) * | 2018-07-26 | 2018-12-07 | 京东方科技集团股份有限公司 | Shut down discharge circuit, display base plate and shutdown charging method |
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| CN111161687A (en) * | 2019-12-12 | 2020-05-15 | 广州视源电子科技股份有限公司 | Charge release method and device, storage medium and electronic equipment |
| US10747075B2 (en) | 2018-01-29 | 2020-08-18 | Boe Technology Group Co., Ltd. | Discharge circuit, discharge method and display device |
| CN113341604A (en) * | 2021-06-24 | 2021-09-03 | 北京京东方传感技术有限公司 | Light-adjusting glass |
| CN114283757A (en) * | 2021-12-29 | 2022-04-05 | 绵阳惠科光电科技有限公司 | Drive circuit and display device |
| WO2023060779A1 (en) * | 2021-10-14 | 2023-04-20 | 惠科股份有限公司 | Current control circuit, display panel driving apparatus and display apparatus |
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