CN110491341A - A kind of fillet processing method of displayer - Google Patents
A kind of fillet processing method of displayer Download PDFInfo
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- CN110491341A CN110491341A CN201910880010.1A CN201910880010A CN110491341A CN 110491341 A CN110491341 A CN 110491341A CN 201910880010 A CN201910880010 A CN 201910880010A CN 110491341 A CN110491341 A CN 110491341A
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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
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of fillet processing methods of displayer, the following steps are included: step 1, image is transmitted to OLED driving chip by MIPI interface by application processor, step 2, OLED driving chip changes original RGB data according to appended OLED display panel to adapt to the function of OLED display panel, step 3, each pixel data is converted to black or weighting rank by OLED driving chip, the pixel in the region is gradually weighted from circumference near circumference, to prevent from generating aggressive influence to human eye, step 4, pixel that treated according at a distance from circumference have different weight ranks, weight level is controlled at a distance from circumference by register root evidence, this includes the pixel number weighted from the weight rank of circumference and each pixel for gradual change.
Description
Technical field
The present invention relates to display technology field more particularly to a kind of fillet processing methods of displayer.
Background technique
OLED display provides higher display quality for smart phone and large-scale tv, and cost is shown lower than traditional
Show technology, such as LCD, Organic Light Emitting Diode provides better contrast and clearer image and better black and sharp keen
Color, and because it can issue oneself light, does not need backlight, so the energy that it is used is less, display it is thinner,
It is lighter, in addition, OLED provides very fast response speed, outstanding image matter is provided in needing the video image fast moved
Amount, OLED shows that the shape of equipment is different, and in ODED display panel, each equipment can there are many open areas
Shape.Especially in many devices, corner edge is round, these regions are due to from watchcase region to the display area OLED
Change dramatically has aggressiveness to human eye.The pervious technology for preventing this man's activity needs big memory and complicated hardware
The shape of open display area is diversified in OLED display driver chip, such as the variable circle of curvature and recessed
Mouthful, and OLED display driver chip must handle a large amount of angle circle and recess.
But the fillet processing method of displayer is justifying edge location of pixels detection algorithm very in the prior art
Hardly possible is realized, and is difficult to carry out natural grading effect to these regions, in the case where not using these algorithms, this round edge
The general and direct method of edge processing is to save the accurate grading of each pixel, this big memory in memory using big memory
The size of OLED display driving chip is increased, and leads to the side effects such as integrated circuit output decline, is had centainly
Defective.
Summary of the invention
1. technical problems to be solved
It is difficult to realize the purpose of the present invention is to solve edge location of pixels detection algorithm is justified in the prior art, and
It is difficult to carry out natural grading effect to these regions, in the case where not using these algorithms, the one of the processing of this rounded edges
As and direct method be to save the accurate grading of each pixel in memory using big memory, this big memory increases OLED
The size of display driver chip, and cause integrated circuit output decline etc. side effects the problem of, and propose one kind
The fillet processing method of displayer.
2. technical solution
To achieve the goals above, present invention employs following technical solutions:
A kind of fillet processing method of displayer, comprising the following steps:
Step 1, image is transmitted to OLED driving chip by MIPI interface by application processor；
Step 2, OLED driving chip changes original RGB data according to appended OLED display panel to adapt to OLED and show
Show the function of panel；
Step 3, each pixel data is converted to black or weighting rank by OLED driving chip, and the pixel in the region is in circle
It is all nearby gradually to be weighted from circumference, to prevent from generating aggressive influence to human eye；
Step 4, pixel that treated according at a distance from circumference have different weight ranks, by register root according to
The distance of circumference controls weight level, and it is pixel number that gradual change weights that this, which includes from the weight rank of circumference and each pixel,；
Step 5, show that the height of image and width are mapped to x-y Cartesian coordinate system, and will be in Pythagorean theorem
Equation of a circle [(x-a) 2+ (y-b) 2=r2, centre coordinate: (a, b), radius: r, all the points on circle: (x, y)] be applied to circle
On any point, to measure distance, the distance between center and each pixel and each pixel by raster scan order into
Row processing, the distance between center to pixel is compared with radius, the distance between the center of circle and present convergence pixel
It is to be obtained by Pythagorean theorem, the center of circle and the distance between center and current pixel difference are determining current pixel power
The basis of weight, round perimeter is closer, and weight is bigger, and then weight is added in each pixel value according to the distance of measurement,
And then generate natural image.
Preferably, in the step 1, in the step 1, the fillet handling principle of OLED driving chip are as follows: image first
Input is RGB, this input is fed to region detection block and the last one MUX block, and arbitration region detection comes from 0-N of region detection block
Signal arbitration block, arbitration scheme depending on 0-N of area priorities be arranged, due to many reasons, the region on display can
To be included in multiple regions detection block, the result of moderator is determined by the priority in each region, and 0-n of region parameter is arbitration
One of input of device, these values are configured by register setting, when arbiter block sets current for a region detection
When the victor of pixel, relevant parameter is output to round processor or line processor by arbiter block, as 0-N of area detection result
When block exports miss current pixel, moderator setting signal selects output of the path as the last one multiplexer, secondary
Reducing the staff selection can also carry out progressive operation to current pixel in circle processing and line processing, and last multiplexer is by moderator
Current pixel export control, the output of the last one maximum value will be the RGB of the circle processing or RGB or original of row processing
RGB input.
Preferably, the function of the round processor is the difference using the center of circle and current pixel position, utilizes Pythagorean theorem meter
It calculates.
Preferably, the function of line processor be according to distance using different weight line edge and current pixel between away from
From.
3. compared with the prior art, the beneficial effects of the present invention are:
In the present invention, big memory is not used to store the weight of each pixel in rounded edge regions, but according to picture
The position of element calculates the weight of each pixel in cartesian coordinate system.The height for showing image and width are mapped to x-y flute card
Your coordinate system, and by Pythagorean theorem equation of a circle [(x-a) 2+ (y-b) 2=r2, centre coordinate: (a, b), radius:
R, all the points on circle: (x, y)] it is applied to any point on circle, to measure distance.Between center and each pixel away from
From, then weight is added in each pixel value according to the distance of measurement, generate natural image.
Detailed description of the invention
Fig. 1 is that a kind of application processor of fillet processing method of displayer proposed by the present invention and OLED are shown
The position view of OLED display driving between panel；
Fig. 2 is between a kind of center of circle of fillet processing method of displayer proposed by the present invention and the upper pixel of circle
Relation schematic diagram；
Fig. 3 is at a kind of OLED driving chip corner circle of fillet processing method of displayer proposed by the present invention
Manage device schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment 1:
Referring to Fig.1-3, the fillet processing method of a kind of displayer, comprising the following steps:
Step 1, image is transmitted to OLED driving chip by MIPI interface by application processor；
Step 2, OLED driving chip changes original RGB data according to appended OLED display panel to adapt to OLED and show
Show the function of panel；
Step 3, each pixel data is converted to black or weighting rank by OLED driving chip, and the pixel in the region is in circle
It is all nearby gradually to be weighted from circumference, to prevent from generating aggressive influence to human eye；
Step 4, pixel that treated according at a distance from circumference have different weight ranks, by register root according to
The distance of circumference controls weight level, and it is pixel number that gradual change weights that this, which includes from the weight rank of circumference and each pixel,；
Step 5, show that the height of image and width are mapped to x-y Cartesian coordinate system, and will be in Pythagorean theorem
Equation of a circle [(x-a) 2+ (y-b) 2=r2, centre coordinate: (a, b), radius: r, all the points on circle: (x, y)] be applied to circle
On any point, to measure distance, the distance between center and each pixel and each pixel by raster scan order into
Row processing, the distance between center to pixel is compared with radius, the distance between the center of circle and present convergence pixel
It is to be obtained by Pythagorean theorem, the center of circle and the distance between center and current pixel difference are determining current pixel power
The basis of weight, round perimeter is closer, and weight is bigger, and then weight is added in each pixel value according to the distance of measurement,
And then generate natural image.
In the present invention, in step 1, the fillet handling principle of OLED driving chip are as follows: image input first is RGB, this is defeated
Enter to be fed to region detection block and the last one MUX block, arbitrates the arbitration of signal of the region detection from 0-N of region detection block
Block, arbitration scheme are arranged depending on 0-N of area priorities, and due to many reasons, the region on display may include multiple
In region detection block, the result of moderator is determined by the priority in each region, 0-n of region parameter be moderator input it
One, these values are configured by register setting, when arbiter block sets a region detection to the triumph of current pixel
When person, relevant parameter is output to round processor or line processor by arbiter block, when the output of 0-N block of area detection result is not ordered
When middle current pixel, moderator setting signal selects output of the path as the last one multiplexer, and arbitrator can be with
Circle processing and line processing in selection to current pixel carry out progressive operation, last multiplexer by moderator current pixel
Output control, the output of the last one maximum value will be that the RGB of circle processing or the RGB or original RGB of row processing are inputted；At circle
The function of reason device is the difference using the center of circle and current pixel position, is calculated using Pythagorean theorem；The function of line processor is basis
Distance uses the distance between the line edge of different weight and current pixel.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of fillet processing method of displayer, which comprises the following steps:
Step 1, image is transmitted to OLED driving chip by MIPI interface by application processor；
Step 2, OLED driving chip changes original RGB data according to appended OLED display panel to adapt to OLED display surface
The function of plate；
Step 3, each pixel data is converted to black by OLED driving chip or weighting rank, the pixel in the region are attached in circumference
It is closely gradually weighted from circumference, to prevent from generating aggressive influence to human eye；
Step 4, pixel that treated passes through register root evidence and circumference according to having different weight ranks at a distance from circumference
Distance control weight level, it is pixel number that gradual change weights that this, which includes from the weight rank of circumference and each pixel,；
Step 5, show that the height of image and width are mapped to x-y Cartesian coordinate system, and by the circle in Pythagorean theorem
Equation [(x-a) 2+ (y-b) 2=r2, centre coordinate: (a, b), radius: r, all the points on circle: (x, y)] is applied on circle
Any point, to measure distance, the distance between center and each pixel and each pixel by raster scan order at
Reason, the distance between center to pixel is compared with radius, the distance between the center of circle and present convergence pixel be by
What Pythagorean theorem obtained, the center of circle and the distance between center and current pixel difference are determining current pixel weights
Basis, round perimeter is closer, and weight is bigger, then weight is added in each pixel value according to the distance of measurement, in turn
Generate natural image.
2. a kind of fillet processing method of displayer according to claim 1, which is characterized in that the step 1
In, the fillet handling principle of OLED driving chip are as follows: image input is RGB first, this input is fed to region detection block and most
The latter MUX block arbitrates the arbitration block of signal of the region detection from 0-N of region detection block, and it is excellent that arbitration scheme depends on region
First 0-N of grade setting, due to many reasons, the region on display may include the knot of moderator in multiple regions detection block
Fruit is determined that 0-n of region parameter is one of input of moderator by the priority in each region, these values by register be arranged into
Row setting, when a region detection is set the victor of current pixel by arbiter block, arbiter block is defeated by relevant parameter
Round processor or line processor are arrived out, when 0-N block of area detection result exports miss current pixel, moderator setting letter
Number, output of the path as the last one multiplexer is selected, arbitrator can also the selection pair in circle processing and line processing
Current pixel carries out progressive operation, and last multiplexer exports control, the last one maximum value by the current pixel of moderator
Output will be circle processing RGB or row processing RGB or original RGB input.
3. a kind of fillet processing method of displayer according to claim 2, which is characterized in that the circle processing
The function of device is the difference using the center of circle and current pixel position, is calculated using Pythagorean theorem.
4. a kind of fillet processing method of displayer according to claim 2, which is characterized in that line processor
Function is to use the distance between line edge of different weight and current pixel according to distance.
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| CN201910880010.1A CN110491341A (en) | 2019-09-18 | 2019-09-18 | A kind of fillet processing method of displayer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111028772A (en) * | 2019-12-05 | 2020-04-17 | Tcl华星光电技术有限公司 | Lamplight display method, lamplight display device, controller and storage medium |
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Address after: 526070 Room 127, Building B, Zhaoqing Investment Development Co., Ltd., North Eight District, Guicheng New Town, Dinghu District, Zhaoqing City, Guangdong Province Applicant after: Guangdong Shenghe Microelectronics Co., Ltd Address before: 526070 Room 127, Building B, Zhaoqing Investment Development Co., Ltd., North Eight District, Guicheng New Town, Dinghu District, Zhaoqing City, Guangdong Province Applicant before: Guangdong Shenghe Technology Co.,Ltd. |
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Application publication date: 20191122 |