CN106920511A - A kind of electric power system and terminal device for reducing holding state power consumption - Google Patents
A kind of electric power system and terminal device for reducing holding state power consumption Download PDFInfo
- Publication number
- CN106920511A CN106920511A CN201511004808.8A CN201511004808A CN106920511A CN 106920511 A CN106920511 A CN 106920511A CN 201511004808 A CN201511004808 A CN 201511004808A CN 106920511 A CN106920511 A CN 106920511A
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- Prior art keywords
- module
- power consumption
- holding state
- mode
- display module
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Classifications
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
Abstract
The present invention relates to display technology field, more particularly to a kind of electric power system and the terminal device comprising the system for reducing holding state power consumption, connected by the power end of the power end and display panel that set driving chip, drive display panel to be powered to display module when being in standby mode with driving chip；So as to reduce screen power consumption in stand-by mode, effectively extend the standby time of terminal device；Contrasted with power supply chip power supply mode, without increasing any component, on original circuit design without influence, in the absence of the conversion efficiency problem of power supply chip.And mainboard will not generate heat seriously because of the power supply of power supply chip, and then the next unacceptable experience of product heating tape can be avoided.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of holding state power consumption that reduces
Electric power system and terminal device.
Background technology
Active matrix organic light-emitting diode (Active-matrix organic light emitting
Diode, abbreviation AMOLED) it is that one kind mainly utilizes organic semiconductor and luminescent material in electricity
Under field drives, injected by carrier and compound and luminous panel.With traditional LC D phases
Than AMOLED display screens have fast response time, wide colour gamut, high-contrast, self-luminous
And the advantage of more low-power consumption.
At present, with the fast development of AMOLED technologies, the species of Wearable product is more next
It is more, it is bigger can displaying ratio, lighter and thinner design would is that display technology future
The direction of development, but it is limited to the slow development of battery technology, reduce display power consumption and would is that a pole
Big challenge, therefore, good display picture and longer stand-by time will bring screen manufacturer
Stronger competitiveness.
For current Wearable product, function is relatively simple, and screen is operated mainly in
Under standby mode (Idle Mode), the power consumption under standby mode would is that product stand-by time
Maximum effect factor.At present, by way of power supply chip is powered to screen in stand-by mode
It is primarily present following shortcoming：1st, conversion efficiency is low；The current conversion efficiency of power supply chip is relatively
Low, minority is generally operational in less than 80% 85% or so, and the change with electric current can occur gently
Micro- change, power consumption is higher in stand-by mode.2nd, generate heat serious；What power supply chip was powered
Mode, generates heat more serious, and the overheat of product is for the user unacceptable, in the summer
Season, the experience that the Wearable product of heating brings client cannot be imagined.
The content of the invention
For above-mentioned problem, the present invention discloses a kind of power supply for reducing holding state power consumption
System, is applied in terminal device, and the system includes：
Display module, including two kinds of mode of operations of operational mode and standby mode；
Drive module, is connected with the display module, with described aobvious according to the instruction control for receiving
Show the mode of operation of module；
Wherein, the power end connection of the power end of the drive module and the display module, with
When the drive module drives the display module to be in the standby mode to the display
Module for power supply.
The electric power system of above-mentioned reduction holding state power consumption, wherein, the instruction includes operation
Instruction and standby command；
Wherein, the display module is controlled when the drive module receives the operating instruction
In the operational mode, controlled when the drive module receives the standby command described
Display module is in the standby mode.
The electric power system of above-mentioned reduction holding state power consumption, wherein, the system also includes：
Power module, is connected with the display module, and described showing is driven with the drive module
Powered to the display module when showing that module is in the operational mode.
The electric power system of above-mentioned reduction holding state power consumption, wherein, the power module is set
In on the mainboard of the terminal device.
The electric power system of above-mentioned reduction holding state power consumption, wherein, the mainboard is soft by one
Property the connection of circuit board (FPC) described display module.
The electric power system of above-mentioned reduction holding state power consumption, wherein, the system also includes：
Handover module, is connected, with according to institute with the power module and the drive module respectively
Instruction Switching power module or the drive module that drive module receives are stated to the display
Module for power supply.
The electric power system of above-mentioned reduction holding state power consumption, wherein,
The display module is formed by display panel, and the drive module is formed by driving chip,
The vdd terminal of the display panel connects the vdd terminal of the driving chip, the display panel
VSS ends connect the VSS ends of the driving chip.
The electric power system of above-mentioned reduction holding state power consumption, wherein, the driving chip is set
Inside the display panel.
Reduction holding state power consumption the invention also discloses a kind of terminal device including above-mentioned
Electric power system.
Above-mentioned terminal device, wherein, the terminal device is Wearable product.
Foregoing invention has the following advantages that or beneficial effect：
The invention discloses a kind of electric power system for reducing holding state power consumption and comprising the system
Terminal device, by set driving chip power end and display panel power end connect,
Display panel is driven to be powered to display module when being in standby mode with driving chip；So as to drop
Low screen power consumption in stand-by mode, the effectively standby time of extension terminal device；With power supply
Chip power supply mode is contrasted, without increasing any component, on original circuit design without influence,
In the absence of the conversion efficiency problem of power supply chip.And mainboard will not be because of the power supply of power supply chip
Heating is serious, and then can avoid the next unacceptable experience of product heating tape.
Brief description of the drawings
The detailed description made to non-limiting example with reference to the following drawings by reading, this hair
Bright and its feature, profile and advantage will become more apparent.The identical mark in whole accompanying drawings
Note indicates identical part.Accompanying drawing can be drawn to scale, it is preferred that emphasis is this hair is shown
Bright purport.
Fig. 1 is showing for the electric power system that standby mode is powered using power supply chip in the prior art
It is intended to；
Fig. 2 is the schematic diagram of electric power system under standby mode in the embodiment of the present invention.
Specific embodiment
Generally, screen operates mainly in both of which, is divided into general mode (Normal
) and standby mode (Idle Mode) Mod.General mode is operational mode, mainly people
A kind of pattern for being operated to equipment and being made screen be constantly in active state, in this pattern
Under, power consumption of screen data are higher, and preferable display effect is given people with band；Standby mode is main
It is equipment not to be operated for a long time and screen is in a kind of pattern of idle condition, at this
Under the pattern of kind, power consumption of screen data are relatively low, and what band gave people is usually dark display effect.
At present, in stand-by mode, screen is mainly what is powered using power supply chip as shown in Figure 1
Mode (identical with the power supply mode that operational mode is taken in circuit design), due to treating
Electric current is smaller under machine pattern, because power supply chip is powered, is influenceed by conversion efficiency, power consumption data
It is higher.This can bring conversion efficiency low and serious problem of generating heat.
Based on above mentioned problem, the invention discloses a kind of power supply system for reducing holding state power consumption
System, is applied in terminal device, and the system includes：
Display module, including two kinds of mode of operations of operational mode and standby mode；
Drive module, is connected with display module, with according to the instruction control display module for receiving
Mode of operation；
Wherein, the power end connection of the power end of drive module and display module, to drive mould
Block drives display module to be powered to display module when being in standby mode.
In a preferred embodiment of the invention, above-mentioned instruction includes operating instruction and standby finger
Order；Wherein, display module is controlled to be in operational mode when drive module receives operating instruction,
Display module is controlled to be in standby mode when drive module receives standby command.
In a preferred embodiment of the invention, the system also includes：
Power module, is connected with display module, drives display module to be in fortune with drive module
Powered to display module during row mode.
In a preferred embodiment of the invention, power module is arranged at the mainboard of terminal device
On, in other embodiments of the invention, the power module can also be arranged at flexible PCB
On.
In a preferred embodiment of the invention, mainboard is by a flexible PCB and display mould
Block is connected.
In a preferred embodiment of the invention, the system also includes：
Handover module, is connected with power module and drive module respectively, is connect with according to drive module
The instruction Switching power module or drive module for receiving are powered to display module.
In a preferred embodiment of the invention, display module is formed by display panel, is driven
Module is formed by driving chip, and the vdd terminal of display panel connects the vdd terminal of driving chip,
The VSS ends of display panel connect the VSS ends of driving chip.
In a preferred embodiment of the invention, driving chip is arranged inside display panel.
In a preferred embodiment of the invention, terminal device is Wearable product.
With specific embodiment, the invention will be further elaborated below in conjunction with the accompanying drawings：
As shown in Fig. 2 present embodiment discloses a kind of power supply system for reducing holding state power consumption
System, is applied in Wearable product, and the system includes：
Display panel, including two kinds of mode of operations of operational mode and standby mode；
Driving chip, is arranged inside display panel, and is connected with display panel, is connect with basis
Operating instruction or standby command the correspondence control display panel of receipts enter operational mode or standby mould
Formula；Wherein, the vdd terminal of display panel connects the vdd terminal of driving chip, display panel
VSS ends connect the VSS ends of driving chip, and display panel is driven in standby with driving chip
Powered to display panel during pattern；
Power supply chip, is arranged on the mainboard of Wearable product, and is connected with display panel, with
Display panel is driven to be powered to display panel when being in operational mode in driving chip；
Handover module, is connected with power supply chip and driving chip respectively, is connect with according to driving chip
The instruction Switching power chip or driving chip for receiving are powered to display panel.
Wherein, above-mentioned mainboard is connected by a flexible PCB with display panel.
Come to make further beneficial effects of the present invention with reference to specific experimental data
It is bright：
Tested with 1.4 cun of AMOLED display screens, in stand-by mode, 10% display
Area, under 10% brightness conditions, under the conditions of identical, using the power supply mode of driving chip
Power consumption data corresponding with the power supply mode of power supply chip is as shown in the table.
Average and contrasted, supplied using power supply chip and driving chip in stand-by mode
Electricity, the power consumption data of screen is respectively 41.752mW and 12.38mW, and contrast finds, uses
Power supply mode lower power consumption 70.349%, institute of the power supply mode of driving chip than power supply chip
Screen power consumption figure in the standby state can be effectively reduced with using driving chip power supply mode
According to.
The invention also discloses a kind of terminal device, including the reduction described in implementation method above
The electric power system of holding state power consumption, in order to reduce repetition, just it will not go into details herein.In this hair
In a bright preferred embodiment, the terminal device can be Wearable product.
To sum up, the invention discloses a kind of electric power system for reducing holding state power consumption and comprising this
The terminal device of system, is connected by the power end of the power end and display panel that set driving chip
Connect, drive display panel to be powered to display module when being in standby mode with driving chip；From
And screen power consumption in stand-by mode is reduced, effectively extend the standby time of terminal device；With
Power supply chip power supply mode is contrasted, without increasing any component, to original circuit design without shadow
Ring, in the absence of the conversion efficiency problem of power supply chip.And mainboard will not be because of the confession of power supply chip
Electricity and generate heat serious, and then the unacceptable experience that product heating tape comes can be avoided.
It should be appreciated by those skilled in the art that those skilled in the art combine prior art and
Above-described embodiment can realize change case, will not be described here.Such change case has no effect on
Substance of the invention, will not be described here.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that of the invention
Above-mentioned particular implementation is not limited to, wherein the equipment and structure that do not describe in detail to the greatest extent should
It is interpreted as being practiced with the common mode in this area；It is any to be familiar with those skilled in the art
Member, in the case where technical solution of the present invention ambit is not departed from, all using the method for the disclosure above
Many possible variations and modification are made to technical solution of the present invention with technology contents, or is revised as
The Equivalent embodiments of equivalent variations, this has no effect on substance of the invention.Therefore, it is every
Without departing from the content of technical solution of the present invention, according to technical spirit of the invention to above example
Any simple modification, equivalent variation and modification done, still fall within technical solution of the present invention guarantor
In the range of shield.
Claims (10)
1. it is a kind of reduce holding state power consumption electric power system, it is characterised in that be applied to end
In end equipment, the system includes：
Display module, including two kinds of mode of operations of operational mode and standby mode；
Drive module, is connected with the display module, with described aobvious according to the instruction control for receiving
Show the mode of operation of module；
Wherein, the power end connection of the power end of the drive module and the display module, with
When the drive module drives the display module to be in the standby mode to the display
Module for power supply.
2. the electric power system for reducing holding state power consumption according to claim 1, it is special
Levy and be, the instruction includes operating instruction and standby command；
Wherein, the display module is controlled when the drive module receives the operating instruction
In the operational mode, controlled when the drive module receives the standby command described
Display module is in the standby mode.
3. the electric power system for reducing holding state power consumption according to claim 1, it is special
Levy and be, the system also includes：
Power module, is connected with the display module, and described showing is driven with the drive module
Powered to the display module when showing that module is in the operational mode.
4. the electric power system for reducing holding state power consumption according to claim 3, it is special
Levy and be, the power module is arranged on the mainboard of the terminal device.
5. the electric power system for reducing holding state power consumption according to claim 4, it is special
Levy and be, the mainboard is connected by a flexible PCB with the display module.
6. the electric power system for reducing holding state power consumption according to claim 3, it is special
Levy and be, the system also includes：
Handover module, is connected, with according to institute with the power module and the drive module respectively
Instruction Switching power module or the drive module that drive module receives are stated to the display
Module for power supply.
7. the electric power system for reducing holding state power consumption according to claim 1, it is special
Levy and be,
The display module is formed by display panel, and the drive module is formed by driving chip,
The vdd terminal of the display panel connects the vdd terminal of the driving chip, the display panel
VSS ends connect the VSS ends of the driving chip.
8. the electric power system for reducing holding state power consumption according to claim 7, it is special
Levy and be, the driving chip is arranged inside the display panel.
9. a kind of terminal device, it is characterised in that including such as any one of claim 1~8 institute
The electric power system of the reduction holding state power consumption stated.
10. terminal device as claimed in claim 9, it is characterised in that the terminal device
It is Wearable product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511004808.8A CN106920511A (en) | 2015-12-28 | 2015-12-28 | A kind of electric power system and terminal device for reducing holding state power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511004808.8A CN106920511A (en) | 2015-12-28 | 2015-12-28 | A kind of electric power system and terminal device for reducing holding state power consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106920511A true CN106920511A (en) | 2017-07-04 |
Family
ID=59455241
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511004808.8A Pending CN106920511A (en) | 2015-12-28 | 2015-12-28 | A kind of electric power system and terminal device for reducing holding state power consumption |
Country Status (1)
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| CN (1) | CN106920511A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749277A (en) * | 2017-10-16 | 2018-03-02 | 维沃移动通信有限公司 | A kind of control method of screen intensity, device and mobile terminal |
| CN109346013A (en) * | 2018-12-20 | 2019-02-15 | 北京集创北方科技股份有限公司 | Driving circuit, driving chip and display device |
| CN109493796A (en) * | 2017-09-12 | 2019-03-19 | 上海和辉光电有限公司 | A kind of display equipment and its power consumption of screen control method |
| CN109493802A (en) * | 2017-09-12 | 2019-03-19 | 上海和辉光电有限公司 | A kind of display equipment and its power consumption of screen control method |
| CN109509432A (en) * | 2017-09-14 | 2019-03-22 | 上海和辉光电有限公司 | Active matrix organic light-emitting diode display device and its driving method |
| CN109754755A (en) * | 2017-11-07 | 2019-05-14 | 上海和辉光电有限公司 | A kind of method of supplying power to of display panel, device and display equipment |
| CN111583859A (en) * | 2019-02-19 | 2020-08-25 | 瑞鼎科技股份有限公司 | Display device and operation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111583859A (en) * | 2019-02-19 | 2020-08-25 | 瑞鼎科技股份有限公司 | Display device and operation method thereof |
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