CN109523974A - Display device - Google Patents
Display device Download PDFInfo
- Publication number
- CN109523974A CN109523974A CN201811597420.7A CN201811597420A CN109523974A CN 109523974 A CN109523974 A CN 109523974A CN 201811597420 A CN201811597420 A CN 201811597420A CN 109523974 A CN109523974 A CN 109523974A
- Authority
- CN
- China
- Prior art keywords
- display device
- display panel
- protection location
- protective module
- signal source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/04—Display protection
Abstract
Present applicant proposes a kind of display devices, including display panel；Signal source；Power supply line between the display panel and the signal source, the power supply line are used to the signal in the signal source being transferred to the display panel；The first protective module between the display panel and the signal source.The application reduces overload current caused by the circuit because short circuit in the display device, avoids the risk of display device burn-in, improve the stability and reliability of display device by the way that the first protective module is arranged between display panel and signal source.
Description
Technical field
This application involves display field, in particular to a kind of display device.
Background technique
In recent years, with the display trend of slimming, liquid crystal display (Liquid Crystal Display, LCD) is
It is widely used in the application of various electronic products, such as mobile phone, notebook computer and colour television set etc..
Array substrate gate driving (Gate Driver on Array, GOA) technology is directly by gate driving circuit
(Gate Driver ICs) is produced on a kind of technology in array substrate.
And with the promotion for writing image quality, GOA circuit has used in more thin film transistor (TFT)s (TFT).And work as display device
When there is short circuit in interior circuit, it will generate excessive electric current, and then lead to the risk of burn-in, so that display device can not be normal
Operation.
Therefore, a kind of display device is needed at present to solve the above problems.
Summary of the invention
The application provides a kind of display device, the skill of burn-in occurs to solve the short circuit of the circuit because in existing display device
Art problem.
In order to solve the above technical problems, technical solution provided by the present application is as follows:
This application provides a kind of display devices comprising:
Display panel；
Signal source；
Power supply line between the display panel and the signal source, the power supply line is used for will be in the signal source
Signal be transferred to the display panel；And
The first protective module between the display panel and the signal source.
In the display device of the application, first protective module includes the first protection location；
First protection location includes first resistor, and the resistance value of first resistor is 10 ohm to 1000 ohm.
In the display device of the application, first protective module further includes the first monitoring unit, is passed through for monitoring
The size of the current value of first monitoring unit.
In the display device of the application, first protective module further includes first switch and the second switch, and described
One switch is connected in series with first protection location, the second switch and the first switch and first protection location
It is connected in parallel；
When being greater than preset threshold by the current value of first monitoring unit, first switch closure, described the
Two switches disconnect；
When being not larger than preset threshold by the current value of first monitoring unit, the first switch is disconnected, institute
State second switch closure.
In the display device of the application, the display device further include be located at the signal source and the display panel it
Between signal bus.
First protective module is between the signal bus and the signal source.
In the display device of the application, the display device further includes between signal bus and the display panel
The second protective module；
Second protective module and first protective module are connected in series.
In the display device of the application, the signal source includes at least the first clock signal and second clock signal；
First passage and second channel are included at least between the signal bus and the display panel；
First clock signal is connect by the first passage with the display panel；
The second clock signal is connect by the second channel with the display panel.
In the display device of the application, second protective module includes at least the second protection location and third protection is single
Member；
It is provided at least 1 second protection location on the first passage, is provided at least one on the second channel
The third protection location；
Second protection location is connected in parallel with the third protection location.
In the display device of the application, second protection location includes second resistance, the resistance of the second resistance
Value is 10 ohm to 1000 ohm；
The third protection location includes 3rd resistor, and the resistance value of the 3rd resistor is 10 ohm to 1000 ohm.
In the display device of the application, the resistance value of the second resistance is equal with the resistance value of the 3rd resistor
The application is had the beneficial effect that by being arranged the first protective module between display panel and signal source, described in reduction
Overload current caused by circuit because short circuit in display device, avoids the risk of display device burn-in, improves display dress
The stability and reliability set.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the circuit structure diagram of one display device of the embodiment of the present application；
Fig. 2 is the circuit structure diagram of two display device of the embodiment of the present application；
Fig. 3 is the circuit structure diagram of three display device of the embodiment of the present application.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the application
Example.The direction term that the application is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the application, rather than to
Limit the application.The similar unit of structure is with being given the same reference numerals in the figure.
Referring to Fig. 1, Fig. 1 is the circuit structure diagram of one display device of the embodiment of the present application.
The display device 100 includes:
Display panel 10 is shown for image；
Signal source 20, the various signals for the work of display device 100 described in output driving.For example, clock signal, GOA
Control signal lamp.
Power supply line 30 between the display panel 10 and the signal source 20, the power supply line 30 is used for will be described
The signal that signal source 20 is issued is transferred to the display panel 10, to drive the normal display of the display panel 10.
The first protective module 40 between the display panel 10 and the signal source 20.First protective module
40 include the first protection location 401, first protection location 401 be used for overcurrent protection, prevent the display device because compared with
Big electric current and there is the technical issues of burn-in.
In one embodiment, first protection location 401 includes first resistor.
In one embodiment, the resistance value of first resistor is 10 ohm to 1000 ohm.The first resistor it is specific
Resistance value can be set according to concrete condition.
In one embodiment, the signal source 20 may include clock signal.The resistance value of the first resistor is 57
When ohm, with not plus compared with the first resistor, the average current of the signal source of clock 20 reduces about 20%, the clock letter
The peak point current in number source 20 reduces about 40%, greatly reduces the transient temperature of the display device, prevents the display device
There is the technical issues of burn-in because of biggish electric current.
Referring to Fig. 2, Fig. 2 is the circuit structure diagram of two display device of the embodiment of the present application.
Embodiment two is the same as example 1 or similar, the difference is that:
First protective module 40 further includes the first monitoring unit 402, passes through first monitoring unit for monitoring
The size of 402 current value.
The reason of according to the display device interior circuit construction material, existing when the circuit structure short circuit makes the display dress
Set the threshold current of burn-in.
In one embodiment, when being greater than preset threshold by the current value of first monitoring unit 402, described the
One protection location 401 is in running order.When being not more than preset threshold by the current value of first monitoring unit 402,
First protection location 401 is in off working state.
Referring to Fig. 2, first protective module 40 further includes first switch S1 and second switch S2.
In one embodiment, the first switch S1 and first protection location 401 are connected in series, and described second opens
S2 is closed to be connected in parallel with the first switch S1 and first protection location 401.
In one embodiment, when being greater than preset threshold by the current value of first monitoring unit 402, described the
One switch S1 closure, the second switch S2 are disconnected, and first protection location 401 is in running order.When by described the
When the current value of one monitoring unit 402 is not larger than preset threshold, the first switch S1 is disconnected, and the second switch S2 is closed
It closes, first protection location 401 is in off working state.
In example 1, since the first resistor is directly connected serially on circuit, the signal source 20 is increased
Impedance, be unfavorable for the transmitting of signal.In example 2, the first resistor is only in first monitoring unit 402
When current value is greater than preset threshold, the first resistor is just in running order, does not increase the impedance of the signal source 20.
Referring to Fig. 3, Fig. 3 is the circuit structure diagram of three display device of the embodiment of the present application.
Embodiment three and embodiment two and embodiment one are same or similar, the difference is that:
The display device 100 further includes the signal bus between the signal source 20 and the display panel 10
50.First protective module 40 is between the signal bus 50 and the signal source 20.
In one embodiment, the display device 100 further include be located at signal bus 50 and the display panel 10 it
Between the second protective module 60.
In one embodiment, second protective module 60 is connected in series with first protective module 40.Described
Two protective modules 60 can be identical as the structure of first protective module 40, by adjusting second protective module 60 and institute
The resistance sizes of the first protective module 40 are stated, to carry out protective effect to the display device 100.
In one embodiment, the signal source 20 includes at least the first clock signal and second clock signal.The letter
First passage 701 and second channel 702 are included at least number between bus 50 and the display panel 10.
Wherein, first clock signal is connect by the first passage 701 with the display panel 10.Described second
Clock signal is connect by the second channel 702 with the display panel 10.
In one embodiment, second protective module 60 includes at least the second protection location 601 and third protection is single
Member 602.
In one embodiment, at least 1 second protection location 601 is provided on the first passage 701, it is described
At least one third protection location 602 is provided on second channel 702.
In one embodiment, second protection location 601 is connected in parallel with the third protection location 602.It is described
Second protection location 601 is not specifically limited with the third protection location 602 with quantity.
In one embodiment, second protection location 601 includes second resistance, and the resistance value of the second resistance is
10 ohm to 1000 ohm.The third protection location 602 includes 3rd resistor, and the resistance value of the 3rd resistor is 10 ohm
To 1000 ohm.
In one embodiment, the resistance value of the second resistance is equal with the resistance value of the 3rd resistor.
In this application, first protection location 401, second protection location 601 and the third protection location
602 can be to be not limited to resistance.
In one embodiment, the second monitoring unit (not shown) is also provided on the first passage 701, it is described
Third monitoring unit (not shown) is also provided on second channel 702.Make institute by the electric current in monitoring corresponding channel
The protection location stated in the second protective module 60 is in running order, and 40 collective effect of the first protective module, further
It ensure that the Stability and dependability of the display device.
Present applicant proposes a kind of display devices, including display panel；Signal source；Positioned at the display panel and the letter
Power supply line between number source, the power supply line are used to the signal in the signal source being transferred to the display panel；Positioned at institute
State the first protective module between display panel and the signal source.The application between display panel and signal source by being arranged
First protective module reduces overload current caused by the circuit because short circuit in the display device, avoids display device burning
The risk of screen improves the stability and reliability of display device.
Although above preferred embodiment is not to limit in conclusion the application is disclosed above with preferred embodiment
The application processed, those skilled in the art are not departing from spirit and scope, can make various changes and profit
Decorations, therefore the protection scope of the application subjects to the scope of the claims.
Claims (10)
1. a kind of display device characterized by comprising
Display panel；
Signal source；
Power supply line between the display panel and the signal source, the power supply line are used for the letter in the signal source
Number it is transferred to the display panel；And
The first protective module between the display panel and the signal source.
2. display device according to claim 1, which is characterized in that first protective module includes that the first protection is single
Member；
First protection location includes first resistor, and the resistance value of first resistor is 10 ohm to 1000 ohm.
3. display device according to claim 2, which is characterized in that first protective module further includes the first monitoring list
Member, for monitoring the size of the current value by first monitoring unit.
4. display device according to claim 3, which is characterized in that first protective module further include first switch and
Second switch, the first switch and first protection location are connected in series, the second switch and the first switch and
First protection location is connected in parallel；
When being greater than preset threshold by the current value of first monitoring unit, the first switch closure, described second is opened
Shutdown is opened；
When being not larger than preset threshold by the current value of first monitoring unit, the first switch is disconnected, and described the
Two close the switch.
5. display device according to claim 1, which is characterized in that the display device further includes being located at the signal source
With the signal bus between the display panel；
First protective module is between the signal bus and the signal source.
6. display device according to claim 1, which is characterized in that the display device further include be located at signal bus with
The second protective module between the display panel；
Second protective module and first protective module are connected in series.
7. display device according to claim 6, which is characterized in that the signal source include at least the first clock signal and
Second clock signal；
First passage and second channel are included at least between the signal bus and the display panel；
First clock signal is connect by the first passage with the display panel；
The second clock signal is connect by the second channel with the display panel.
8. display device according to claim 7, which is characterized in that second protective module includes at least the second protection
Unit and third protection location；
It is provided at least 1 second protection location on the first passage, is provided at least described in one on the second channel
Third protection location；
Second protection location is connected in parallel with the third protection location.
9. display device according to claim 8, which is characterized in that second protection location includes second resistance, institute
The resistance value for stating second resistance is 10 ohm to 1000 ohm；
The third protection location includes 3rd resistor, and the resistance value of the 3rd resistor is 10 ohm to 1000 ohm.
10. display device according to claim 9, which is characterized in that the resistance value of the second resistance and the third
The resistance value of resistance is equal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811597420.7A CN109523974A (en) | 2018-12-26 | 2018-12-26 | Display device |
| PCT/CN2019/083777 WO2020133835A1 (en) | 2018-12-26 | 2019-04-23 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811597420.7A CN109523974A (en) | 2018-12-26 | 2018-12-26 | Display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109523974A true CN109523974A (en) | 2019-03-26 |
Family
ID=65796891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811597420.7A Pending CN109523974A (en) | 2018-12-26 | 2018-12-26 | Display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109523974A (en) |
| WO (1) | WO2020133835A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020133835A1 (en) * | 2018-12-26 | 2020-07-02 | 深圳市华星光电半导体显示技术有限公司 | Display device |
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- 2019-04-23 WO PCT/CN2019/083777 patent/WO2020133835A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2020133835A1 (en) | 2020-07-02 |
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Application publication date: 20190326 |