CN205751476U - A kind of power supply circuits of OLED display screen - Google Patents
A kind of power supply circuits of OLED display screen Download PDFInfo
- Publication number
- CN205751476U CN205751476U CN201620429317.1U CN201620429317U CN205751476U CN 205751476 U CN205751476 U CN 205751476U CN 201620429317 U CN201620429317 U CN 201620429317U CN 205751476 U CN205751476 U CN 205751476U
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- Prior art keywords
- terminal unit
- display screen
- oled display
- circuit
- circuit module
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Abstract
This utility model provides the power supply circuits of a kind of OLED display screen, relates to electronic technology field.This circuit includes: be used for the output voltage of terminal unit battery being converted to the DC DC circuit module of OLED display screen work required voltage and being used for when the CPU of terminal unit exports high level controlling DC DC circuit module and the conducting of terminal unit battery, the on-off circuit that control DC DC circuit module and terminal unit battery disconnect when the CPU output low level of terminal unit；On-off circuit input is connected to the feeder ear of terminal unit battery, the outfan of on-off circuit is connected to the voltage input end of DC DC circuit module, the voltage output end of CPU, the DC DC circuit module that the Enable Pin controlling end and DC DC circuit module of on-off circuit is connected to terminal unit after connecing altogether is connected to the OLED display screen of terminal unit.This utility model will not produce leaky when terminal unit is standby, can strengthen the flying power of terminal unit battery.
Description
Technical field
This utility model relates to electronic technology field, particularly relates to the power supply circuits of a kind of OLED display screen.
Background technology
OLED (organic light-emitting diode, Organic Light Emitting Diode) display screen, is also called organic
Laser display screen.Because possessing the characteristics such as frivolous, power saving, mobile phone, MP3 player are widely used in it
Etc. in the terminal unit with screen display function.OLED display screen and the display of traditional LCD display
Mode is different, and it is without backlight, has self luminous feature, when there being electric current to pass through, OLED display screen
Will work.
At present, in terminal unit, general DC-DC circuit module as shown in Figure 1 is powered to OLED display screen.
Shown in Figure 1, described DC-DC circuit module include voltage conversion chip U1, the first electric capacity C1,
Two electric capacity C2, diode D1, inductance L1, the first divider resistance R1, the second divider resistance R2 and under
Pull-up resistor R3；The Enable Pin of described voltage conversion chip is by described pull down resistor R3 ground connection and also makees
Enable Pin for described DC-DC circuit module is connected to the CPU of terminal unit, described voltage conversion chip
Power end is connected to the feeder ear of terminal unit battery as the energization input of described DC-DC circuit module
Vbat, by described second electric capacity C2 ground connection and it is connected to described diode D1 by described inductance L1
Anode, switch pin Lx of described voltage conversion chip U1 is connected to described inductance L1 and described two poles
The common junction of pipe D1, the output voltage of described voltage conversion chip U1 adjusts end by described first dividing potential drop
Resistance R1 is connected to first end of described first electric capacity C1, by described second divider resistance R2 ground connection,
The first end ground connection of described first electric capacity C1, described first electric capacity C1 and described first divider resistance R1's
Altogether contact is that the power supply outfan of described DC-DC circuit module is connected to the OLED of described terminal unit and shows
Screen, the grounding pin ground connection of described voltage conversion chip U1.When terminal unit CPU controls DC-DC circuit
When the Enable Pin of module is high level, voltage conversion chip U1 is started working, now voltage conversion chip U1
By the input voltage Vbat of terminal unit battery by low pressure (3.5V～4.3V) be converted to high pressure (11V) to
OLED display screen is powered；When terminal unit is standby, terminal unit CPU controls DC-DC circuit module
Enable Pin be low level, now voltage conversion chip U1 does not works, but, now DC-DC circuit mould
The voltage output end of block still has voltage to export, and output voltage approximates the defeated of terminal unit battery Vbat
Go out voltage, although this voltage is little, but the leaky of yet suffering from, waste the electricity of terminal unit battery
Amount.
To sum up, the power supply circuits of the OLED display screen used in prior art are in standby shape at terminal unit
There is leaky during state, decrease the flying power of terminal unit battery.
Utility model content
This utility model embodiment provides the power supply circuits of a kind of OLED display screen, it is intended to solve prior art
There is leaky when terminal unit is in holding state in the power supply circuits of middle OLED display screen, decreases
The problem of the flying power of terminal unit battery.
This utility model embodiment provides the power supply circuits of a kind of OLED display screen, including:
For the output voltage of terminal unit battery being converted to described OLED display screen work required voltage
DC-DC circuit module and
For controlling described DC-DC circuit module and described end when the CPU of terminal unit exports high level
End device battery conducting, controls described DC-DC circuit module when the CPU output low level of terminal unit
The on-off circuit disconnected with described terminal unit battery；
Described on-off circuit input is connected to the feeder ear of described terminal unit battery, described on-off circuit
Outfan is connected to the voltage input end of described DC-DC circuit module, the control end of described on-off circuit and institute
State the CPU, described DC-DC being connected to described terminal unit after the Enable Pin of DC-DC circuit module connects altogether
The voltage output end of circuit module is connected to the OLED display screen of described terminal unit.
In the power supply circuits of the OLED display screen described in this utility model embodiment, described on-off circuit bag
Include:
For the conducting when the CPU of terminal unit exports high level, in the CPU output low level of terminal unit
Time cut-off the first switch element；
For turning on when the conducting of described first switch element, the cut-off when described first switch element cut-off
Second switch unit and
Flow-restriction；
The control end of described first switch element boosts with described DC-DC as the control end of described on-off circuit
The Enable Pin of circuit connects, and the first end of described first switch element is connected to the first end of described flow-restriction
With the control end of described second switch unit, the second end ground connection of described first switch element；Described current limliting list
Second end of unit constitutes the input of described on-off circuit with the first end of described second switch unit even after connecing altogether
It is connected to the feeder ear of described terminal unit battery；Second end of described second switch unit is as described switch electricity
The outfan on road is connected to the voltage input end of described DC-DC circuit module.
In the power supply circuits of the OLED display screen described in this utility model embodiment, described first switch is single
Unit is audion, and the base stage of described audion is the control end of described first switch element, described audion
First end of the most described first switch element of current collection, the most described first switch of transmitting of described audion is single
Second end of unit.
In the power supply circuits of the OLED display screen described in this utility model embodiment, described second switch list
Unit is metal-oxide-semiconductor, and the grid of described metal-oxide-semiconductor is the control end of described second switch unit, described MOS
The source electrode of pipe is the first end of described second switch unit, and the drain electrode of described metal-oxide-semiconductor is described second switch list
Second end of unit.
In the power supply circuits of the OLED display screen described in this utility model embodiment, described flow-restriction is adopted
Use current-limiting resistance.
In the power supply circuits of the OLED display screen described in this utility model embodiment, described current-limiting resistance
Resistance is 100 Κ Ω.
In the power supply circuits of the OLED display screen described in this utility model embodiment, described DC-DC circuit
Module include voltage conversion chip, the first electric capacity, the second electric capacity, diode, inductance, the first divider resistance,
Second divider resistance and pull down resistor；
The Enable Pin of described voltage conversion chip is connected to described as the Enable Pin of described DC-DC circuit module
On-off circuit control end and the CPU of described terminal unit and also by described pull down resistor ground connection, institute
State the power end of voltage conversion chip as the voltage input end of described DC-DC circuit module be connected to described in open
Close the outfan of circuit, by described second capacity earth and by described inductance connection to described diode
Anode, the switch pin of described voltage conversion chip is connected to the common contact of described inductance and described diode
Place, the output voltage of described voltage conversion chip adjusts end and is connected to described the by described first divider resistance
First end of one electric capacity, by described second divider resistance ground connection, the first end ground connection of described first electric capacity,
The common contact of described first electric capacity and described first divider resistance is the voltage output of described DC-DC circuit module
End is connected to the OLED display screen of described terminal unit, the grounding pin ground connection of described voltage conversion chip.
In the power supply circuits of the OLED display screen described in this utility model embodiment, described voltage conversion core
The model of sheet is XC9119D10AMR.
Another object of the present utility model is to provide a kind of terminal unit, described terminal unit include CPU,
The power supply circuits of the OLED display screen described in OLED display screen and any of the above-described item, described OLED shows
Display screen is electrically connected with successively with described CPU, described power supply circuits and described OLED display screen.
The power supply circuits implementing a kind of OLED display screen that this utility model embodiment provides have following useful
Effect:
This utility model embodiment is by increasing by a switch between DC-DC circuit module and terminal unit battery
Circuit, for controlling described DC-DC circuit module and described when the CPU of terminal unit exports high level
Terminal unit battery turns on, and controls described DC-DC circuit mould when the CPU output low level of terminal unit
Block and described terminal unit battery disconnect such that it is able to when terminal unit is in holding state, thoroughly disconnect
Connection between DC-DC circuit module and battery so that battery can not transmit electric current to OLED display screen again,
Therefore, leaky will not be produced, enhance the flying power of terminal unit battery.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment technical scheme, institute in embodiment being described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is this utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit diagram of the power supply circuits of OLED display screen in prior art；
The power supply circuits of a kind of OLED display screen that Fig. 2 this utility model embodiment provides are applied and are set in terminal
For structural representation time middle；
Fig. 3 is the physical circuit of the power supply circuits of a kind of OLED display screen that this utility model embodiment provides
Fundamental diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model,
Rather than whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not having
Have and make the every other embodiment obtained under creative work premise, broadly fall into this utility model protection
Scope.
Fig. 2 is that the power supply circuits of a kind of OLED display screen that this utility model embodiment provides were applied at end
Structural representation time in end equipment.Illustrate only part related to the present embodiment for convenience of description.
Shown in Figure 2, the power supply circuits of a kind of OLED display screen that this utility model embodiment provides,
Including:
Work institute for the output voltage of terminal unit battery 203 being converted to described OLED display screen 204
Need voltage DC-DC circuit module 201 and
For controlling described DC-DC circuit module 201 He when the CPU205 of terminal unit exports high level
Described terminal unit battery 203 turns on, and controls described when the CPU205 output low level of terminal unit
The on-off circuit 202 that DC-DC circuit module 201 and described terminal unit battery 203 disconnect；
Described on-off circuit 202 input is connected to the feeder ear of described terminal unit battery 203, described in open
The outfan closing circuit 202 is connected to the voltage input end of described DC-DC circuit module 201, described switch
The Enable Pin controlling end and described DC-DC circuit module 201 of circuit 202 is connected to described terminal after connecing altogether
The CPU205 of equipment, the voltage output end of described DC-DC circuit module 201 is connected to described terminal unit
OLED display screen 204.
Fig. 3 shows the concrete of the power supply circuits of a kind of OLED display screen that this utility model embodiment provides
Circuit fundamental diagram.Shown in Figure 3, in this utility model embodiment, described on-off circuit 202
Including:
For the conducting when the CPU205 of terminal unit exports high level, export at the CPU205 of terminal unit
First switch element of cut-off during low level；
For turning on when the conducting of described first switch element, the cut-off when described first switch element cut-off
Second switch unit and
Flow-restriction；
Described first switch element control end control end and described DC-DC as described on-off circuit 202
The Enable Pin of booster circuit connects, and the first end of described first switch element is connected to the of described flow-restriction
One end and the control end of described second switch unit, the second end ground connection of described first switch element；Described limit
Second end of stream unit constitutes described on-off circuit 202 after connecing altogether with the first end of described second switch unit
Input is connected to the feeder ear of described terminal unit battery 203；Second end of described second switch unit is made
Outfan for described on-off circuit 202 is connected to the voltage input end of described DC-DC circuit module 201.
Further, described first switch element is audion Q1, and the base stage of described audion Q1 is described
The control end of the first switch element, the first of the most described first switch element of current collection of described audion Q1
End, the second end of the most described first switch element of transmitting of described audion Q1.
Further, described second switch unit is metal-oxide-semiconductor Q2, and the grid of described metal-oxide-semiconductor Q2 is institute
Stating the control end of second switch unit, the source electrode of described metal-oxide-semiconductor Q2 is the first of described second switch unit
End, second end that drain electrode is described second switch unit of described metal-oxide-semiconductor Q2.
Further, described flow-restriction uses current-limiting resistance R4.The resistance of described current-limiting resistance R4 is 100
ΚΩ。
Further, described DC-DC circuit module 201 include voltage conversion chip U1, the first electric capacity C1,
Second electric capacity C2, diode D1, inductance L1, the first divider resistance R1, the second divider resistance R2 and
Pull down resistor R3；
Enable Pin EN of described voltage conversion chip U1 is as the enable of described DC-DC circuit module 201
End V_EN be connected to described on-off circuit 202 control end and the CPU205 of described terminal unit and also
By described pull down resistor R3 ground connection, the power end Vcc of described voltage conversion chip U1 is as described
The voltage input end of DC-DC circuit module 201 is connected to the outfan of described on-off circuit 202, passes through institute
State the second electric capacity C2 ground connection and be connected to the anode of described diode D1 by described inductance L1, described
Switch pin Lx of voltage conversion chip U1 is connected to the common contact of described inductance L1 and described diode D1
Place, the output voltage of described voltage conversion chip U1 adjusts end FB by described first divider resistance R1 even
It is connected to first end of described first electric capacity C1, by described second divider resistance R2 ground connection, described first electricity
Holding the first end ground connection of C1, the common contact of described first electric capacity C1 and described first divider resistance R1 is institute
The voltage output end V_OLED stating DC-DC circuit module 201 is connected to the OLED of described terminal unit
Display screen 204, the grounding pin GND ground connection of described voltage conversion chip U1.
Further, the model of described voltage conversion chip U1 is XC9119D10AMR.
The power supply of a kind of OLED display screen that this utility model embodiment provides is elaborated below in conjunction with Fig. 3
The operation principle of circuit:
Shown in Figure 3, in the present embodiment, when terminal unit is in running status, terminal unit
CPU205 exports high level, the voltage in now audion Q1 conducting and DC-DC circuit module 201
Conversion chip U1 starts working, and metal-oxide-semiconductor Q2 grid voltage pulls down to ground, and Vgs is almost terminal unit
The output voltage Vbat of battery 203, metal-oxide-semiconductor Q2 turn on, and DC-DC circuit module 201 sets with terminal
Turning between standby battery 203, the output voltage of terminal unit battery 203 is turned by DC-DC circuit module 201
It is changed to OLED display screen 204 output after required voltage that works and, to described OLED display screen 204, makes institute
State OLED display screen 204 normally to work；And when terminal unit is in holding state, terminal unit
CPU205 output low level, the voltage in now audion Q1 cut-off and DC-DC circuit module 201
Conversion chip U1 does not works, and the Vgs of metal-oxide-semiconductor Q2 is almost 0, therefore metal-oxide-semiconductor Q2 cut-off, moves
Dynamic connection between device battery 203 and DC-DC module is blocked by metal-oxide-semiconductor Q2, now DC-DC electricity
The output voltage of road module 201 is 0, and OLED display screen 204 no current passes through, and will not work, and nothing
Leaky produces, and saves electric power for terminal unit battery 203, and then improves terminal unit battery 203
Flying power.
To sum up, it can be seen that a kind of OLED display screen that this utility model embodiment provides is owing to passing through
Increase by an on-off circuit 202 between DC-DC circuit module 201 and terminal unit battery 203, at end
The CPU205 of end equipment controls described DC-DC circuit module 201 and described terminal unit when exporting high level
Battery 203 turns on, and controls described DC-DC circuit module when the CPU205 output low level of terminal unit
201 and described terminal unit battery 203 disconnect such that it is able to when terminal unit is in holding state, thoroughly
Disconnect the connection between DC-DC circuit module 201 and battery 203 so that battery 203 can not be again to OLED
Display screen 204 transmits electric current, therefore, will not produce leaky, enhance terminal unit battery 203
Flying power.
Another embodiment of this utility model provides a kind of terminal unit, and described terminal unit includes CPU, OLED
The power supply circuits of the OLED display screen provided in display screen and Fig. 2～embodiment illustrated in fig. 3, described OLED
Display screen is electrically connected with successively with described CPU, described power supply circuits and described OLED display screen.
In implementing, the terminal unit described in this utility model embodiment includes but not limited to such as have
The mobile phone of touch sensitive surface (such as, touch-screen display and/or touch pad), laptop computer or
Other portable set of tablet PC etc.It is to be further understood that in certain embodiments, described
Equipment not portable communication device, but have touch sensitive surface (such as, touch-screen display and/or touch
Template) desk computer.
The terminal unit that this utility model embodiment provides provides owing to using Fig. 2～embodiment illustrated in fig. 3
The power supply circuits of OLED display screen, therefore it can thoroughly disconnect DC-DC circuit mould when holding state
Connection between block and battery so that battery can not be again to OLED display screen transmission electric current, therefore, will not
Produce leaky, enhance the flying power of terminal unit battery.
Should be appreciated that when using in this specification and in the appended claims, term " includes " and " bag
Contain " indicate described feature, entirety, step, operation, element and/or the existence of assembly, but be not precluded from
One or more further features, entirety, step, operation, element, assembly and/or its set existence or add
Add.
It is also understood that the term this this utility model is used in the description is specific merely for the sake of describing
The purpose of embodiment and be not intended to limit this utility model.As in this utility model description and appended right
As used in claim, unless context clearly indicates other situation, otherwise singulative
" one ", " one " and " being somebody's turn to do " is intended to include plural form.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model is also
Be not limited to this, any those familiar with the art in the technical scope that this utility model discloses,
Can readily occur in amendment or the replacement of various equivalence, these amendments or replacement all should be contained of the present utility model
Within protection domain.Therefore, protection domain of the present utility model should be as the criterion with scope of the claims.
Claims (9)
1. the power supply circuits of an OLED organic light-emitting diode (OLED) display screen, it is characterised in that including:
For the output voltage of terminal unit battery being converted to described OLED display screen work required voltage
DC-DC circuit module and
For controlling described DC-DC circuit module and described end when the CPU of terminal unit exports high level
End device battery conducting, controls described DC-DC circuit module when the CPU output low level of terminal unit
The on-off circuit disconnected with described terminal unit battery；
Described on-off circuit input is connected to the feeder ear of described terminal unit battery, described on-off circuit
Outfan is connected to the voltage input end of described DC-DC circuit module, the control end of described on-off circuit and institute
State the CPU, described DC-DC being connected to described terminal unit after the Enable Pin of DC-DC circuit module connects altogether
The voltage output end of circuit module is connected to the OLED display screen of described terminal unit.
The power supply circuits of OLED display screen the most according to claim 1, it is characterised in that described switch
Circuit includes:
For the conducting when the CPU of terminal unit exports high level, in the CPU output low level of terminal unit
Time cut-off the first switch element；
For turning on when the conducting of described first switch element, the cut-off when described first switch element cut-off
Second switch unit and
Flow-restriction；
The control end of described first switch element boosts with described DC-DC as the control end of described on-off circuit
The Enable Pin of circuit connects, and the first end of described first switch element is connected to the first end of described flow-restriction
With the control end of described second switch unit, the second end ground connection of described first switch element；Described current limliting list
Second end of unit constitutes the input of described on-off circuit with the first end of described second switch unit even after connecing altogether
It is connected to the feeder ear of described terminal unit battery；Second end of described second switch unit is as described switch electricity
The outfan on road is connected to the voltage input end of described DC-DC circuit module.
The power supply circuits of OLED display screen the most according to claim 2, it is characterised in that described first
Switch element is audion, and the base stage of described audion is the control end of described first switch element, described three
First end of the most described first switch element of current collection of pole pipe, the transmitting the most described first of described audion
Second end of switch element.
The power supply circuits of OLED display screen the most according to claim 3, it is characterised in that described second
Switch element is metal-oxide-semiconductor, and the grid of described metal-oxide-semiconductor is the control end of described second switch unit, described
The source electrode of metal-oxide-semiconductor is the first end of described second switch unit, and the drain electrode of described metal-oxide-semiconductor is described second
Second end of switch element.
The power supply circuits of OLED display screen the most according to claim 4, it is characterised in that described current limliting
Unit uses current-limiting resistance.
The power supply circuits of OLED display screen the most according to claim 5, it is characterised in that described current limliting
The resistance of resistance is 100 Κ Ω.
The power supply circuits of OLED display screen the most according to claim 1, it is characterised in that described
DC-DC circuit module include voltage conversion chip, the first electric capacity, the second electric capacity, diode, inductance,
One divider resistance, the second divider resistance and pull down resistor；
The Enable Pin of described voltage conversion chip is connected to described as the Enable Pin of described DC-DC circuit module
On-off circuit control end and the CPU of described terminal unit and also by described pull down resistor ground connection, institute
State the power end of voltage conversion chip as the voltage input end of described DC-DC circuit module be connected to described in open
Close the outfan of circuit, by described second capacity earth and by described inductance connection to described diode
Anode, the output voltage of described voltage conversion chip adjusts end and is connected to institute by described first divider resistance
State the first end of the first electric capacity, by described second divider resistance ground connection, the first termination of described first electric capacity
Ground, the common contact of described first electric capacity and described first divider resistance is the voltage of described DC-DC circuit module
Outfan is connected to the OLED display screen of described terminal unit, and the grounding pin of described voltage conversion chip connects
Ground.
The power supply circuits of OLED display screen the most according to claim 7, it is characterised in that described voltage
The model of conversion chip is XC9119D10AMR.
9. a terminal unit, it is characterised in that described terminal unit include CPU, OLED display screen and
The power supply circuits of the OLED display screen described in any one of claim 1～8, described OLED display screen and institute
State CPU, described power supply circuits and described OLED display screen to be electrically connected with successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620429317.1U CN205751476U (en) | 2016-05-11 | 2016-05-11 | A kind of power supply circuits of OLED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620429317.1U CN205751476U (en) | 2016-05-11 | 2016-05-11 | A kind of power supply circuits of OLED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205751476U true CN205751476U (en) | 2016-11-30 |
Family
ID=57369168
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620429317.1U Expired - Fee Related CN205751476U (en) | 2016-05-11 | 2016-05-11 | A kind of power supply circuits of OLED display screen |
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| CN (1) | CN205751476U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106851952A (en) * | 2017-01-04 | 2017-06-13 | 上海奕瑞光电子科技有限公司 | A kind of flat panel detector circuit implementing method for reducing patient leakage current |
| CN109036294A (en) * | 2018-08-01 | 2018-12-18 | 重庆爱奇艺智能科技有限公司 | Screen for VR equipment puts black backlight drive circuit and VR equipment on the skin |
| CN109473068A (en) * | 2018-12-20 | 2019-03-15 | 深圳市亿境虚拟现实技术有限公司 | A kind of head-mounted display backlight black plug control circuit and control method |
| WO2020062905A1 (en) * | 2018-09-25 | 2020-04-02 | 青岛海信电器股份有限公司 | Oled display device and control method therefor |
| CN111326103A (en) * | 2019-10-05 | 2020-06-23 | 友达光电股份有限公司 | Pixel circuit and display device |
| US11200837B2 (en) | 2018-09-25 | 2021-12-14 | Hisense Visual Technology Co., Ltd. | OLED display device, and method for controlling the OLED display device |
| WO2022116295A1 (en) * | 2020-12-01 | 2022-06-09 | Tcl华星光电技术有限公司 | Switch module and display device |
| CN115549230A (en) * | 2022-01-25 | 2022-12-30 | 荣耀终端有限公司 | Charging control circuit and terminal |
-
2016
- 2016-05-11 CN CN201620429317.1U patent/CN205751476U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106851952A (en) * | 2017-01-04 | 2017-06-13 | 上海奕瑞光电子科技有限公司 | A kind of flat panel detector circuit implementing method for reducing patient leakage current |
| CN106851952B (en) * | 2017-01-04 | 2018-09-25 | 上海奕瑞光电子科技股份有限公司 | A kind of flat panel detector circuit implementing method reducing patient leakage current |
| CN109036294A (en) * | 2018-08-01 | 2018-12-18 | 重庆爱奇艺智能科技有限公司 | Screen for VR equipment puts black backlight drive circuit and VR equipment on the skin |
| WO2020062905A1 (en) * | 2018-09-25 | 2020-04-02 | 青岛海信电器股份有限公司 | Oled display device and control method therefor |
| US11200837B2 (en) | 2018-09-25 | 2021-12-14 | Hisense Visual Technology Co., Ltd. | OLED display device, and method for controlling the OLED display device |
| CN109473068A (en) * | 2018-12-20 | 2019-03-15 | 深圳市亿境虚拟现实技术有限公司 | A kind of head-mounted display backlight black plug control circuit and control method |
| CN111326103A (en) * | 2019-10-05 | 2020-06-23 | 友达光电股份有限公司 | Pixel circuit and display device |
| CN111326103B (en) * | 2019-10-05 | 2021-08-20 | 友达光电股份有限公司 | Pixel circuit and display device |
| WO2022116295A1 (en) * | 2020-12-01 | 2022-06-09 | Tcl华星光电技术有限公司 | Switch module and display device |
| CN115549230A (en) * | 2022-01-25 | 2022-12-30 | 荣耀终端有限公司 | Charging control circuit and terminal |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20180511 |