CN109859709A - A kind of abnormity display device - Google Patents
A kind of abnormity display device Download PDFInfo
- Publication number
- CN109859709A CN109859709A CN201910110619.0A CN201910110619A CN109859709A CN 109859709 A CN109859709 A CN 109859709A CN 201910110619 A CN201910110619 A CN 201910110619A CN 109859709 A CN109859709 A CN 109859709A
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- Prior art keywords
- display area
- pixel
- transistor
- brightness
- pixel unit
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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
- G09G3/34—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
- G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
-
- 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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
Abstract
The present invention proposes a kind of special-shaped display device, it is related to field of liquid crystal display, it include: main display area and the secondary display area positioned at main display area edge, main display area and secondary display area all have multiple pixel units for repeating arrangement, and each pixel unit has m(m=3 or 4) a sub-pixel；It further include in secondary display area and the display driver circuit of collocation corresponding with each sub-pixel, n-th (n >=1 of secondary display area, and n be integer) pixel unit i-th (1≤i≤m, and i is integer) sub-pixel corresponds to n-th i display driver circuit, and n-th i display driver circuit shares the data line of outermost the i-th sub-pixel of pixel unit in main display area；After inputting adjustable light modulation duty cycle signals, the brightness of display driver circuit control sub-pixel gradually decreases the brightness of secondary display area pixel unit compared with the brightness of the outermost pixel unit in main display area.
Description
Technical field
The invention belongs to field of liquid crystal display, and in particular to a kind of abnormity display device.
Background technique
Traditional display screen has generally all had already appeared special shape with the development of technology in rectangle currently on the market
Display screen, we term it abnormity shield.
There is display color exception in order to avoid abnormity shields the picture that the irregular edge in main display area is presented, not
The edge of rule would generally be multiple groups tri- sub-pixels of complete RGB, the pixel unit between row every so spatially
Arrangement is not smooth but is serrated.It can feel that there is zigzag at edge when showing picture, as shown in Figure 1.
When the most marginal brightness in main display area is brighter, there is more apparent the outer rim of black except meeting and main display area
Luminance difference.By taking white picture as an example, as shown in Fig. 2, visually directly become black from the white of high brightness, it is pure white with it is pure
Black contrast is high, and zigzag can be obvious, causes poor display effect, influences perception.
Summary of the invention
The present invention provides a kind of special-shaped display device, and this abnormity display device passes through the side in the main display area of display screen
Edge increase have repeat arrange pixel unit secondary display area, and arrange in pairs or groups corresponding display driver circuit and it is adjustable light modulation account for
Sky improves the display effect of jagged edges than signal.
Technical scheme is as follows:
The invention discloses a kind of special-shaped display devices, comprising: main display area and the pair positioned at main display area edge are shown
Show that region, the main display area and secondary display area all have multiple pixel units for repeating arrangement, each pixel unit tool
There are m(m=3 or 4) a sub-pixel.
Wherein, further include in secondary display area and the display driver circuit of collocation corresponding with each sub-pixel, it is secondary to show
Show that i-th (1≤i≤m, and i is integer) sub-pixel of n-th (n >=1, and n is integer) a pixel unit in region corresponds to the n-th i
A display driver circuit, n-th i display driver circuit share the number of outermost the i-th sub-pixel of pixel unit in main display area
According to line.
After inputting adjustable light modulation duty cycle signals, the display driver circuit is used for the sub- picture to the secondary display area
Element provides corresponding driving signal to control the brightness of sub-pixel, the brightness of pair display area pixel unit and main viewing area
The brightness of the outermost pixel unit in domain is compared and is gradually decreased.
Preferably, the display driver circuit includes that brightness control module, brightness gradually decrease module and light-emitting diodes
Pipe, the brightness control module of n-th i display driver circuit connect i-th of sub- picture of the outermost pixel unit in main display area
The data line of element, brightness gradually decrease module connection brightness control module, and light emitting diode connection brightness gradually decreases module.
Preferably, the brightness control module includes the first transistor, second transistor, third transistor and the first electricity
Hold.
The control terminal of the first transistor connects operating voltage, and the first path terminal of the first transistor connects main viewing area
The data line of outermost i-th of the sub-pixel in domain, the first pole plate of the alternate path end connection first capacitor of the first transistor；Institute
The alternate path end of the control terminal connection the first transistor of second transistor is stated, the two paths end of second transistor is separately connected
Second pole plate of first capacitor and the first path terminal of third transistor；The control terminal connection light modulation duty of the third transistor
Than signal, the two paths end of third transistor is separately connected the alternate path end of second transistor and brightness gradually decreases module
Input terminal；The alternate path end of the first pole plate connection the first transistor of the first capacitor, the second pole plate of first capacitor
Connect the first path terminal of second transistor.
Preferably, it includes the 4th transistor that the brightness, which gradually decreases module, and the control terminal connection of the 4th transistor is adjustable
The two paths end of dimming duty cycle signal, the 4th transistor is separately connected the output end and light-emitting diodes of brightness control module
Pipe.
Preferably, in secondary display area, from the adjustable light modulation duty cycle signals of the 1st pixel unit to the n-th pixel unit
Duty ratio declines step by step.
Preferably, the pixel unit of the secondary display area is transversely arranged or vertically disposed.
Preferably, in secondary display area, step by step from the pixel cell size size of the 1st pixel unit to the n-th pixel unit
Reduce.
Technical solution bring beneficial effect provided by the invention has the following:
Abnormity display device disclosed by the invention, which increases to have by the edge in the main display area of display screen, repeats arrangement pixel
The secondary display area of unit, and arrange in pairs or groups corresponding display driver circuit and adjustable dimming duty cycle signal, make winner viewing area
Human eye is obscured by secondary display area between the edge and outer rim in domain, reaches the display effect for improving jagged edges.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, the present invention is given furtherly
It is bright.
Fig. 1 is the pixel unit schematic diagram of special-shaped platen edge in the prior art；
Fig. 2 is the zigzag picture of abnormity screen in the prior art；
Fig. 3 is the schematic diagram of main display area and secondary display area of the invention；
Fig. 4 is the display device of that present invention embodiment schematic diagram；
Fig. 5 is the timing diagram of dimming duty cycle signal；
Fig. 6 is the display picture of abnormity screen after implementing the present invention.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, Detailed description of the invention will be compareed below
A specific embodiment of the invention.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, and obtain other embodiments.
To make simplified form, part related to the present invention is only schematically shown in each figure, they are not represented
Its practical structures as product.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
Component only symbolically depicts one of those, or has only marked one of those.Herein, "one" is not only indicated
" only this ", can also indicate the situation of " more than one ".
Technical solution of the present invention is discussed in detail with specific embodiment below.
The present invention provides a kind of special-shaped display device, is OLED device comprising: main display area 01 and it is located at master
All there are multiple repetitions to arrange for the secondary display area 02 at 01 edge of display area, the main display area 01 and secondary display area 02
Pixel unit, each pixel unit has m(m=3 or 4) a sub-pixel.When pixel unit is RGB, pixel unit is worked as in m=3
When for RGBW, m=4.
Preferably, the pixel unit of the secondary display area 02 can be transversely arranged, be also possible to vertical array.
It is main display area 01 and secondary display area 02 when present invention pixel unit is RGB and is transversely arranged as shown in Figure 3
Schematic diagram.Wherein, R1/G1/B1 ~ Rn/Gn/Bn is that the 1st pixel unit of increased pixel unit be extremely in secondary display area 02
Nth pixel unit, n(n >=1, and n be integer) size be arranged according to the actual situation.
Preferably, in secondary display area 02, the pixel cell size from the 1st pixel unit to nth pixel unit is big
It is small to reduce step by step.
Special-shaped display device further includes in secondary display area 02 and the display of collocation corresponding with each sub-pixel drives
I-th (1≤i≤m, and i is integer) of circuit 03, n-th (n >=1, and n is integer) a pixel unit of secondary display area 02 is a
Sub-pixel corresponds to n-th i display driver circuit, and n-th i display driver circuit shares the outermost pixel in main display area 01
The data line of i-th of sub-pixel of unit.
After inputting adjustable light modulation duty cycle signals PWMn, the display driver circuit 03 is used for the secondary display area
02 sub-pixel provides corresponding driving signal to control the brightness of sub-pixel, the brightness of 02 pixel unit of the pair display area
It is gradually decreased compared with the brightness of the outermost pixel unit in main display area 01.
Wherein, the display driver circuit 03 gradually decreases module 32 including brightness control module 31, brightness and shines
Diode 33, it is the sub-pixel for emitting light diode in main 01 outermost pixel unit of display area that brightness, which gradually decreases module 32,
Transistors of having connected on circuit more.
The control terminal of this transistor connects adjustable light modulation duty cycle signals PWMn.Because it is outermost to share main display area 01
The data line of i-th of sub-pixel of pixel unit of side is believed by the adjustable dimming duty cycle of control input display driver circuit 03
Number PWMn makes through the electric current of pixel unit in secondary display area 02 and shares the outermost pixel unit in main display area 01
Electric current compared to gradually decreasing, so as to so that in secondary display area 02 increased pixel unit brightness R1/G1/B1 ~ Rn/Gn/
Bn is gradually decreased but color is close.
The design of the circuit framework of display driver circuit 03 can be arbitrary, as long as increasing on circuit corresponding
Module and the adjustable light modulation duty cycle signals PWMn of collocation gradually decrease brightness just within protection scope of the present invention.
The present invention is discussed in detail with specific embodiment below.
Wherein, the display driver circuit 03 of embodiment uses 3 transistors and 1 capacitor (referred to as 3T1C).
As shown in figure 4, to connect main display area 01 outermost for the brightness control module 31 of n-th i display driver circuit
The data line of i-th of sub-pixel of pixel unit, brightness gradually decrease module 32 and connect brightness control module 31, light emitting diode
33 connection brightness gradually decrease module 32.I-th of sub-pixel shown in Fig. 4 be pixel unit be RGB when the 2nd sub-pixel
That is sub-pixel G.
The brightness control module 31 includes the first transistor M1n, second transistor M2n, third transistor M3n and the
One capacitor C1n.
The control terminal of the first transistor M1n connects operating voltage ELVDD, the first path terminal of the first transistor M1n
Connect the data line of outermost i-th sub-pixel in main display area 01, the first electricity of alternate path end connection of the first transistor M1n
Hold the first pole plate of C1n.
The alternate path end of the control terminal connection the first transistor M1n of the second transistor M2n, second transistor M2n
Two paths end be separately connected the second pole plate of first capacitor C1n and the first path terminal of third transistor M3n.
The control terminal of the third transistor M3n connects dimming duty cycle signal PWM, and two of third transistor M3n are logical
Terminal is separately connected the alternate path end of second transistor M2n and brightness gradually decreases the input terminal of module 32.
The alternate path end of the first pole plate connection the first transistor M1n of the first capacitor C1n, first capacitor C1n's
The first path terminal of second pole plate connection second transistor M2n.
In addition, it includes the 4th transistor M4n that the brightness, which gradually decreases module 32, the control terminal of the 4th transistor M4n connects
Adjustable light modulation duty cycle signals PWMn is met, the two paths end of the 4th transistor M4n is separately connected the defeated of brightness control module 31
Outlet and light emitting diode 33.
Wherein, in secondary display area 02, believe from the 1st pixel unit to the adjustable dimming duty cycle of nth pixel unit
The duty ratio of number PWM1 ~ PWMn declines step by step.
It is the timing diagram of dimming duty cycle signal as shown in Figure 5, inputs the outermost pixel unit i-th in main display area 01
The dimming duty cycle signal of a sub-pixel is PWM, and the adjustable light modulation duty cycle signals of input display driver circuit 03 are PWMn,
Dimming duty cycle PWM is in the high period, and the duty ratio of adjustable dimming duty cycle PWM1 ~ PWMn declines step by step, thus in master
In the period that the third transistor M3n of 01 i-th of sub-pixel of outermost pixel unit of display area is opened, secondary display area
The time that 4th transistor M41 ~ M4n of the different display driver circuits 03 in 02 is opened gradually decreases.
The duty ratio specific value and frequency of adjustable dimming duty cycle PWM1 ~ PWMn can be set according to actual needs.It accounts for
Sky declines than step by step, and increased pixel can be made to reduce brightness step by step.
It is the display picture of abnormity screen after implementation is of the invention as shown in Figure 6, the pixel unit of secondary display area 02 and master show
Show that the outermost pixel unit color in region 01 is close and gradually decreases brightness until black state is not in this case
Biggish brightness contrast is not in stronger sawtooth sense because brightness gradually decreases.
It should be noted that the above is only a preferred embodiment of the present invention, but the present invention is not limited to above-mentioned
Detail in embodiment, it is noted that for those skilled in the art, in technology of the invention
In conception range, various improvements and modifications may be made without departing from the principle of the present invention, to technology of the invention
Scheme carries out a variety of equivalents, these are improved, retouching and equivalents also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of abnormity display device characterized by comprising
Main display area and positioned at the secondary display area at main display area edge, the main display area and secondary display area are all
With multiple pixel units for repeating arrangement, each pixel unit has m(m=3 or 4) a sub-pixel；
It wherein, further include the secondary viewing area in secondary display area and the display driver circuit of collocation corresponding with each sub-pixel
I-th (1≤i≤m, and i is integer) sub-pixel of n-th (n >=1, and n is integer) a pixel unit in domain corresponds to the n-th i and shows
Show that driving circuit, n-th i display driver circuit share the number of i-th of sub-pixel of the outermost pixel unit in main display area
According to line；
After inputting adjustable light modulation duty cycle signals, the display driver circuit is used to mention to the sub-pixel of the secondary display area
The brightness of sub-pixel is controlled for corresponding driving signal, the brightness of pair display area pixel unit and main display area are most
The brightness of the pixel unit in outside is compared and is gradually decreased.
2. a kind of special-shaped display device according to claim 1, which is characterized in that the display driver circuit includes brightness
Control module, brightness gradually decrease module and light emitting diode, the brightness control module connection of n-th i display driver circuit
The data line of i-th of sub-pixel of the main outermost pixel unit in display area, brightness gradually decrease module connection brightness control
Module, light emitting diode connection brightness gradually decrease module.
3. a kind of special-shaped display device according to claim 2, which is characterized in that the brightness control module includes first
Transistor, second transistor, third transistor and first capacitor；
The control terminal of the first transistor connects operating voltage, and the first path terminal of the first transistor connects main display area most
The data line of i-th of sub-pixel in outside, the first pole plate of the alternate path end connection first capacitor of the first transistor；
The alternate path end of the control terminal connection the first transistor of the second transistor, the two paths end point of second transistor
It Lian Jie not the second pole plate of first capacitor and the first path terminal of third transistor；
The control terminal of the third transistor connects dimming duty cycle signal, and the two paths end of third transistor is separately connected the
The alternate path end of two-transistor and brightness gradually decrease the input terminal of module；
The alternate path end of the first pole plate connection the first transistor of the first capacitor, the second pole plate connection the of first capacitor
First path terminal of two-transistor.
4. a kind of special-shaped display device according to claim 2, which is characterized in that the brightness gradually decreases module and includes
4th transistor, the control terminal of the 4th transistor connect adjustable light modulation duty cycle signals, the two paths end point of the 4th transistor
Not Lian Jie brightness control module output end and light emitting diode.
5. a kind of special-shaped display device according to claim 4, which is characterized in that in secondary display area, from the 1st pixel list
The duty ratio of adjustable light modulation duty cycle signals of member to the n-th pixel unit declines step by step.
6. a kind of special-shaped display device according to claim 1, which is characterized in that the pixel unit of the pair display area
It is transversely arranged or vertically disposed.
7. -6 any a kind of special-shaped display device according to claim 1, which is characterized in that in secondary display area, from the 1st
The pixel cell size size of pixel unit to the n-th pixel unit reduces step by step.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910110619.0A CN109859709A (en) | 2019-02-12 | 2019-02-12 | A kind of abnormity display device |
| CN201910799139.XA CN110444180A (en) | 2019-02-12 | 2019-08-28 | A kind of abnormity display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910110619.0A CN109859709A (en) | 2019-02-12 | 2019-02-12 | A kind of abnormity display device |
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| Publication Number | Publication Date |
|---|---|
| CN109859709A true CN109859709A (en) | 2019-06-07 |
Family
ID=66897694
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910110619.0A Pending CN109859709A (en) | 2019-02-12 | 2019-02-12 | A kind of abnormity display device |
| CN201910799139.XA Pending CN110444180A (en) | 2019-02-12 | 2019-08-28 | A kind of abnormity display device |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910799139.XA Pending CN110444180A (en) | 2019-02-12 | 2019-08-28 | A kind of abnormity display device |
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| CN (2) | CN109859709A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111179809A (en) * | 2020-02-17 | 2020-05-19 | 福建华佳彩有限公司 | Special-shaped screen and display device |
| CN115311952A (en) * | 2022-02-24 | 2022-11-08 | 友达光电股份有限公司 | Display device with non-rectangular active region and pixel structure thereof |
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| JPH11109404A (en) * | 1997-10-06 | 1999-04-23 | Toshiba Corp | Liquid crystal display device |
| CN1467700A (en) * | 2002-07-11 | 2004-01-14 | 中强电子股份有限公司 | Brightness regulating method and equipment for LCD |
| CN103021352B (en) * | 2012-09-28 | 2014-08-20 | 合肥京东方光电科技有限公司 | Liquid crystal panel driving method |
| CN104599637A (en) * | 2015-02-11 | 2015-05-06 | 京东方科技集团股份有限公司 | Pixel circuit drive method and drive device |
| CN205281989U (en) * | 2016-01-04 | 2016-06-01 | 成都京东方光电科技有限公司 | Display panel and display device |
| CN106097966B (en) * | 2016-08-25 | 2019-01-29 | 深圳市华星光电技术有限公司 | A kind of OLED PWM image element driving method |
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| CN107450878B (en) * | 2017-07-28 | 2019-11-05 | 京东方科技集团股份有限公司 | Image processing method, driving chip and the wearable device of AMOLED |
| CN107665637A (en) * | 2017-09-19 | 2018-02-06 | 厦门天马微电子有限公司 | Special-shaped display panel and display device |
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| CN107422517B (en) * | 2017-09-19 | 2020-04-03 | 厦门天马微电子有限公司 | Special-shaped display panel and display device |
| CN107644610A (en) * | 2017-10-31 | 2018-01-30 | 昆山国显光电有限公司 | Special-shaped display screen and the display device for integrating special-shaped display screen |
| CN107742499B (en) * | 2017-11-30 | 2021-02-19 | 武汉天马微电子有限公司 | Special-shaped display panel and display device |
| CN108777116B (en) * | 2018-06-11 | 2020-08-04 | 上海天马微电子有限公司 | Display panel and display device |
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- 2019-02-12 CN CN201910110619.0A patent/CN109859709A/en active Pending
- 2019-08-28 CN CN201910799139.XA patent/CN110444180A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111179809A (en) * | 2020-02-17 | 2020-05-19 | 福建华佳彩有限公司 | Special-shaped screen and display device |
| CN115311952A (en) * | 2022-02-24 | 2022-11-08 | 友达光电股份有限公司 | Display device with non-rectangular active region and pixel structure thereof |
| CN115311952B (en) * | 2022-02-24 | 2023-11-28 | 友达光电股份有限公司 | Display device with non-rectangular active area and pixel structure thereof |
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| Publication number | Publication date |
|---|---|
| CN110444180A (en) | 2019-11-12 |
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Application publication date: 20190607 |