CN212365459U

CN212365459U - Integrated color management equipment

Info

Publication number: CN212365459U
Application number: CN202020833082.9U
Authority: CN
Inventors: 秦明; 杨俊�
Original assignee: Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingli Electronic Technology Co Ltd
Current assignee: Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingli Electronic Technology Co Ltd; Wuhan Jingce Electronic Technology Co Ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-15
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses an integration color management equipment, including the main part device, the main part device includes: gather display screen light signal's optical component, with optical component connects and will optical component's the light signal conversion who gathers becomes the photoelectric sensor of signal of telecommunication, with photoelectric sensor connects and right the signal of telecommunication carries out the sampling circuit of sampling, with sampling circuit connects and carries out the treater of analysis processes output gamma parameter to the signal of telecommunication of sampling, and with the treater is connected and according to the gamma parameter provides the display screen drive module that drive signal lighted the display screen. The utility model discloses with optical component, photoelectric sensor, sampling circuit, treater and display screen drive module integration in the main part device, can shorten the time that the display screen GAMMA parameter set up greatly to have small advantage.

Description

Integrated color management equipment

Technical Field

The utility model belongs to the technical field of the display screen, more specifically relates to an integration color management equipment.

Background

The GAMMA parameter setting process exists in the production process of the display screen, and the setting time directly influences the productivity. The GAMMA parameter setting time of the current display screen is long, and the GAMMA parameter setting time becomes a bottleneck of the productivity of the display screen. The existing solution usually adopts the technical scheme of PG (signal generator) + color analyzer + PC. The PG is used for providing drive for the display screen, the color analyzer is used for collecting image data displayed after the display screen is driven, and the PC is used for analyzing the sampling data of the color analyzer to generate gamma parameters and transmitting the gamma parameters to the PG. Drive is provided to the screen) GAMMA parameter setting time, average time for completing one GAMMA adjustment process, average cycle number and given number of gray scales. Where the number of given gray levels is determined by the customer and can be treated as a constant. The average number of cycles is determined by the GAMMA algorithm in the processor and can be considered as a constant. The time to complete a process determines the overall setup time.

In the existing technical scheme, the PG, the color analyzer and the PC are generally devices which are independent, the PC and the color analyzer communicate through a USB cable to transmit a control signal and sampling data, and Gamma parameters are transmitted between the PC and the PG through a network.

The time for completing one gamma adjustment process by the system according to the working principle comprises the following time parts:

the PC sends sampling control data to the color analyzer through USB communication, and controls the color analyzer to start sampling for Tusb;

the color analyzer samples image data information with time Ts;

the color analyzer transmits the sampled data to the PC through USB communication, and the time is Tusb;

the PC generates a GAMMA parameter according to the sampling data, and the time is Tc;

the PC transmits GAMMA parameters to the PG through the network for a time Tw;

the PG is communicated with a display screen, GAMMA parameters and screen waiting stabilization time are set, and the time is tic;

the PG communicates with the PC through a network, and informs that sampling can be started for a time Tw;

the time Tx required to complete one cycle according to the above procedure is 2Tusb + Ts + tic +2Tw + Tc.

In the technical scheme, on one hand, the GAMMA setting time is long, on the other hand, more equipment is needed, the size and the cost are large, and great influence is brought to the product cost and the production efficiency of display panel manufacturers.

SUMMERY OF THE UTILITY MODEL

To address at least one of the deficiencies of the prior art or the need for improvement, the present invention provides an integrated color management device.

To achieve the above object, according to a first aspect of the present invention, there is provided an integrated color management device, comprising a main body device, the main body device comprising: gather display screen light signal's optical component, with optical component connects and will optical component's the light signal conversion who gathers becomes the photoelectric sensor of signal of telecommunication, with photoelectric sensor connects and right the signal of telecommunication carries out the sampling circuit of sampling, with sampling circuit connects and carries out the treater of analysis processes output gamma parameter to the signal of telecommunication of sampling, and with the treater is connected and according to the gamma parameter provides the display screen drive module that drive signal lighted the display screen.

Preferably, the body device comprises a housing within which the optical components, the photosensor, the sampling circuit, the processor and the display screen drive module are disposed.

Preferably, the unified color management apparatus further comprises: the driving signal is converted and provided for an adapter plate of a display screen, and a clamp is used for fixing the relative positions of the main body device and the adapter plate.

Preferably, the display screen driving module includes a first interface, and the adapter board includes a second interface connectable to the first interface via a cable and a third interface for providing the converted driving signal to the display screen.

Preferably, the display screen driving module includes a power module and a video signal source.

Generally, compared with the prior art, the utility model, beneficial effect has: the invention integrates the optical component, the photoelectric sensor, the sampling circuit, the processor and the display screen driving module into the main body device, and has the advantages of two aspects: firstly, the time for setting GAMMA parameters of the display screen is greatly shortened; and secondly, the cost and the volume are greatly reduced, and as for hardware materials, the volume and the cost of the product are only slightly higher than those of the color analyzer in the prior art, partial functions of PG and PC are integrated, and the GAMMA parameter setting of the display screen can be independently completed. Therefore, the invention can greatly improve the production efficiency of display panel manufacturers and reduce the product cost of the manufacturers.

Drawings

Fig. 1 is a schematic structural diagram of a main device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an integrated color management device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

An integrated color management apparatus comprising a main device having a structure as shown in fig. 1, comprising: the display screen comprises an optical component (11) for collecting optical signals of the display screen, a photoelectric sensor (12) which is connected with the optical component and converts the optical signals collected by the optical component into electric signals, a sampling circuit (13) which is connected with the photoelectric sensor and samples the electric signals, a processor (14) which is connected with the sampling circuit and analyzes and processes the sampled electric signals and outputs gamma parameters, and a display screen driving module (15) which is connected with the processor and provides driving signals according to the gamma parameters output by the processor to light the display screen.

The operation of the main apparatus will be described below. And aiming at the specified display screen, the display screen driving module provides a special drive to light up the display screen and display a specific brightness picture required by a client. The optical components and the photosensors convert light signals such as luminance and chromaticity of the display screen into electric signals. The sampling circuit converts the sampled signals into digital signals and transmits the digital signals to the processor for processing. The processor outputs reasonable GAMMA parameters of the display screen through the existing GAMMA algorithm and provides the GAMMA parameters to the display screen driving device. The display screen drive provides a drive signal for the display screen and waits for the screen to be stable, at the moment, the brightness of the display screen has slight change, the main body device samples the brightness again to see whether the brightness meets the requirement, and if the brightness does not meet the requirement, the circulation is continued until the requirement is met. The product stores parameters meeting the requirements and corresponding specific pictures.

collecting optical signals, performing photoelectric conversion and sampling, wherein the time is Ts;

the processor generates a GAMMA parameter with Tf;

the display screen drive provides a drive signal to the display screen according to the gamma parameter and waits for the screen to be stable for tic;

the time Tx required to complete one cycle according to the above procedure is Ts + tic + Tc. Compared with the prior art, the time of 2Tusb + +2Tw is saved.

Moreover, the video source of the product is from the processor, one or more times of pre-sampling are not needed to determine sampling parameters, and Ts is less than that of the old product; the video synchronization signal is known, excessive margin does not need to be reserved by an empirical value for waiting for screen stabilization, the margin can be fixed next cycle sampling or 2 cycle sampling, and tic is less than that of an old product.

Aiming at a specified display screen, a circuit part provides a special drive to light the display screen and display a specific brightness picture required by a client, an optical part and a photoelectric sensor convert brightness and chromaticity information of the display screen into electric signals, a sampling circuit converts the electric signals into digital signals after sampling and transmits the digital signals to a processor for processing, the processor provides reasonable GAMMA parameters of the display screen through a special processing algorithm (GAMMA algorithm) and sets the GAMMA parameters into the display screen, at the moment, the brightness of the display screen has slight change, a product samples the brightness again to see whether the requirements are met, and if the requirements are not met, the circulation is continued until the requirements are met. The product stores parameters meeting the requirements and corresponding specific pictures.

Preferably, the main body device includes a housing (not shown in the drawings) in which the optical components, the photosensor, the sampling circuit, the processor, and the display screen driving module are disposed.

Preferably, an integrated color management apparatus, as shown in fig. 2, further includes, in addition to the main body device: the driving signal is converted and provided to an adapter plate (2) of the display screen, and a clamp (3) for fixing the relative positions of the main body device and the adapter plate. The adapter plate provides the driving signal converted by the display screen driving module to the display screen, because of the particularity of the display screen, the display screen driving module cannot be directly provided to the display screen. The clamp is used for fixing the relative positions of the main body device and the adapter plate, so that the optical component can stably collect the optical signals of the display screen.

Preferably, the display screen driving module comprises a first interface, and the adapter board comprises a second interface (21) and a third interface (not shown in the figure). The second interface of the adapter plate can be connected with the first interface through a cable to receive the driving signal. And the second interface of the adapter plate provides the driving signal converted by the adapter plate to the display screen.

In the invention, the technical realization of the optical component, the photoelectric sensor, the sampling circuit, the processor and the display screen driving module is the existing general technology, and the optical component, the photoelectric sensor, the sampling circuit, the processor and the display screen driving module are integrated in the main body equipment, so that the invention has the advantages of two aspects: firstly, the time for setting GAMMA parameters of the display screen is greatly shortened; and secondly, the cost and the volume are greatly reduced, and as for hardware materials, the volume and the cost of the product are only slightly higher than those of the color analyzer in the prior art, partial functions of PG and PC are integrated, and the GAMMA parameter setting of the display screen can be independently completed.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. An integrated color management apparatus comprising a body device, the body device comprising: gather display screen light signal's optical component, with optical component connects and will optical component's the light signal conversion who gathers becomes the photoelectric sensor of signal of telecommunication, with photoelectric sensor connects and right the signal of telecommunication carries out the sampling circuit of sampling, with sampling circuit connects and carries out the treater of analysis processes output gamma parameter to the signal of telecommunication of sampling, and with the treater is connected and according to the gamma parameter provides the display screen drive module that drive signal lighted the display screen.

2. The unified color management device according to claim 1, wherein said body means comprises a housing, said optical components, photo sensor, sampling circuit, processor and display screen driving module all being disposed within said housing.

3. The unified color management device according to claim 1, further comprising: the driving signal is converted and provided for an adapter plate of a display screen, and a clamp is used for fixing the relative positions of the main body device and the adapter plate.

4. The unified color management device according to claim 3, wherein said display driver module comprises a first interface, and said adapter board comprises a second interface connectable to said first interface via a cable and a third interface for providing said converted driving signals to the display.

5. The unified color management device according to claim 1, wherein said display screen driving module comprises a power module and a video signal source.