CN206282596U - A kind of display and the control circuit for display - Google Patents

Abstract

The utility model belongs to display technology field, there is provided a kind of display and the control circuit for display, control circuit built-in power module, the control circuit also includes main control module, data transmission module, audio-frequency module and display module, the main control module receives audio signal and view data by the data transmission module, and played out by the audio signal that the audio-frequency module will be received, and the described image data that will be received by the display module are shown.Thus achieve display only need to receive audio signal and view data by data transmission module, and played out by the audio signal that audio-frequency module will be received and shown by the view data that display module will be received, the internal structure of display was so both simplified, production cost is saved again, solves the problems, such as that existing display technology has internal structure complexity and high cost.

Description

A kind of display and the control circuit for display

Technical field

The utility model belongs to display technology field, more particularly to a kind of display and the control electricity for display Road.

Background technology

At present, with the raising of people's quality of life, display is seen everywhere in daily life, especially liquid crystal display Device and flat-panel monitor, can both be connected with host computer, it is also possible to by digital television signal line receive TV signal from And shown.However, existing display, its internal structure is complex and production cost is higher.

Therefore, existing display technology has internal structure complexity and high cost.

Utility model content

The utility model purpose is to provide a kind of display and the control circuit for display, it is intended to solved existing Display technology has internal structure complexity and high cost.

The utility model provides a kind of control circuit for display, the control circuit built-in power module, institute Stating control circuit also includes：

Main control module, data transmission module, audio-frequency module and display module；

The power end of the output termination main control module of the power module, the transmission termination of the data transmission module The communication terminal of the main control module, the audio end of the input termination main control module of the audio-frequency module, the display module The input termination main control module display end；

The main control module receives audio signal and view data by the data transmission module, and by the audio The audio signal that module will be received is played out, and the described image data that will be received by the display module Shown.

The utility model additionally provides a kind of display, and the display includes above-mentioned control circuit.

The utility model provides a kind of display and the control circuit for display, controls circuit built-in power mould Block, the control circuit also includes main control module, data transmission module, audio-frequency module and display module, and the main control module leads to Cross the data transmission module and receive audio signal and view data, and the audio that will be received by the audio-frequency module Signal is played out, and the described image data that will be received by the display module are shown.Thus achieve aobvious Show that device only need to receive audio signal and view data by data transmission module, and the audio that will be received by audio-frequency module is believed Number play out and shown by the view data that display module will be received, so both simplify display Internal structure, saves production cost again, solves existing display technology and there is internal structure complexity and high cost Problem.

Brief description of the drawings

A kind of modular structure schematic diagram of control circuit for display that Fig. 1 is provided for the utility model embodiment；

Fig. 2 illustrates for a kind of circuit connection structure of control circuit for display that the utility model embodiment is provided Figure.

Specific embodiment

In order that the technical problems to be solved in the utility model, technical scheme and beneficial effect become more apparent, below With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein Example is only used to explain the utility model, is not used to limit the utility model.

A kind of control circuit that the utility model embodiment is provided, is mainly used in display, especially liquid crystal display Device and flat-panel monitor, audio signal and view data are received its role is to set main control module by data transmission module, And played out by the audio signal that audio-frequency module will be received and entered by the view data that display module will be received Row display, had so both simplified the internal structure of display, and production cost is saved again.

Fig. 1 shows a kind of modular structure of control circuit for display that the utility model embodiment is provided, and is It is easy to explanation, illustrate only the part related to the utility model embodiment, details are as follows：

This kind is used for the control circuit of display, controls circuit built-in power module 106, and the control circuit also includes：

Main control module 101, data transmission module 102, audio-frequency module 104 and display module 105；

The power end of the output termination main control module 101 of power module 106, the transmission termination master of data transmission module 102 Control the communication terminal of module 101, the audio end of the input termination main control module 101 of audio-frequency module 104, the input of display module 105 Terminate the display end of main control module 101；

Main control module 101 receives audio signal and view data by data transmission module 102, and by audio-frequency module 104 audio signals that will be received are played out, and are shown by the view data that display module 105 will be received.

Used as the embodiment of the utility model one, the control circuit also includes backlight drive module 103, backlight drive module The control end of 103 input termination main control module 101, main control module 101 adjusts the bright of backlight by backlight drive module 103 Degree.Wherein, the mode of regulation backlight includes：DC is dimmed and PWM light modulations.

Fig. 2 shows that a kind of circuit of control circuit for display that the utility model embodiment is provided connects knot Structure, for convenience of description, illustrate only the part related to the utility model embodiment, and details are as follows：

Used as the embodiment of the utility model one, main control module 101 includes process chip U1, the power supply of the process chip U1 End BAT, communication terminal FTP, control end CTRL, audio end MIC and display end DIS are respectively the power end of main control module 101, lead to News end, control end, audio end and display end.

Used as the embodiment of the utility model one, process chip U1 uses the process chip of model TSUMO58FHG.Due to The process chip of model TSUMO58FHG is employed, is caused and whole control circuit is improved, simplify peripheral circuit And space.The output voltage stabilizer of 1.2V is carried in process chip, while reducing a low pressure difference linearity voltage stabilizing for 1.2V outputs Device, and also without crystal oscillator is used, because internal clock generator, reliability is improve so as to reduce cost.Mesh Before, the circuit of most of flat-panel monitors is：Main IC bands crystal oscillator；And circuit of the present utility model is：Flyback directly drives backlight step-down Circuit+linear constant current or switch transformed circuit.

Process chip inside includes single interface processing unit, display processing unit, OSD menu, PMU, clock Generator, LVDS signal interfaces and MCU units.

Therefore, the advantage using the process chip of model TSUMO58FHG is：

1. peripheral cell is less and function is more, small volume, and internal structure is simple and cheap；

2. the chip of the model RTD228LD for being applied with market is compared, and has lacked a low pressure difference linear voltage regulator and one Crystal oscillator, pcb board be can be made smaller；

3. maximum can support rgb signal 1920X1200@60Hz；

4. dis-assembling debugging function is carried, great role is played in the case of insufficient supply at present.

Used as the embodiment of the utility model one, data transmission module 102 includes transmission chip U2, the transmission of transmission chip U2 End TRAN is the transmission end of data transmission module 102.In the present embodiment, transmission chip U2 employs the transmission of model FT232H Chip, certainly, the model for transmitting chip is not limited, as long as can reach and the function described in the present embodiment transmission chip U2 Also may be used.

Used as the embodiment of the utility model one, audio-frequency module 104 includes audio chip U4, the input of audio chip U4 INTO is the input of audio-frequency module 104.In the present embodiment, audio chip U4 employs the audio chip of model PAM8003, Certainly, the model of audio chip is not limited, as long as can reach also may be used with the function described in the present embodiment audio chip U4.

Used as the embodiment of the utility model one, display module 105 includes display chip U5, the input of display chip U5 IMPORT is the input of display module 105.In this example it is shown that chip U5 employs the display core of model MB86R11 Piece, certainly, the model of display chip is not limited, as long as can reach with the function described in the present embodiment display chip U5 also Can.

Used as the embodiment of the utility model one, backlight drive module 103 includes driving chip U3, the input of driving chip U3 End INPUT is the input of backlight drive module 103.In the present embodiment, driving chip U3 employs the drive of model PT4110 Dynamic chip, certainly, the model of driving chip is not limited, as long as can reach making with the function described in the present embodiment driving chip U3 With also may be used.

Used as the embodiment of the utility model one, power module 106 can be the dc source for possessing fixed voltage output The output end of VCC, dc source VCC is the output end of power module 106, and dc source VCC powers to whole control circuit, when So, the reference voltage of dc source VCC is 12V.Certainly, also available adapters are replaced power module 106, as long as can reach Export the function of 12V voltages.

In sum, the utility model is provided a kind of display and the control circuit for display and existing display Device is compared, and its advantage is：

1. effective reduces cost, process chip peripheral circuit discrete component is few, and circuit and PCB surface product are greatly reduced, can be with The layout area of PCB is set smaller, and effectively reduces BOM costs and processing cost；

2. reliability stabilization, although only include main control module, data transmission module, backlight drive module, audio-frequency module with And display module, but the display function that has is realized enough, and its stability is high；

3. because process chip carries dis-assembling debugging function function, with obvious advantage.

A kind of display of the utility model embodiment offer and the operation principle for controlling circuit for display are：

First, startup power supply module 103, opens whole display；Then, main control module 101 passes through data transmission module 102 receive audio signal and view data, and are played out by the audio signal that audio-frequency module 104 will be received, Yi Jitong The view data that display module 105 will receive is crossed to be shown.Meanwhile, Consumer's Experience sense is needed and improved according to user, when When the backlight for sensing display is less than preset value, i.e., when backlight illumination is too dark, main control module 101 passes through backlight drive module 103 brightness for tuning up backlight；When the backlight for sensing display is more than preset value, i.e., when backlight illumination is too dazzling, master control Module 101 turns the brightness of backlight down by backlight drive module 103.

In sum, the utility model embodiment provides a kind of display and the control circuit for display, control Circuit built-in power module, the control circuit also includes main control module, data transmission module, audio-frequency module and display module, The main control module receives audio signal and view data by the data transmission module, and will be connect by the audio-frequency module The audio signal for receiving is played out, and the described image data that will be received by the display module are shown Show.Thus achieve display only need to receive audio signal and view data by data transmission module, and by audio-frequency module The audio signal that will be received is played out and shown by the view data that display module will be received, so Both the internal structure of display had been simplified, production cost had been saved again, and solved existing display technology and there is internal junction The problem of structure complexity and high cost.The utility model embodiment is realized simple, it is not necessary to increases extra hardware, can effectively drop Low cost, with stronger usability and practicality.

Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (9)

1. a kind of control circuit for display, the control circuit built-in power module, it is characterised in that the control electricity Road also includes：

Main control module, data transmission module, audio-frequency module and display module；

The power end of the output termination main control module of the power module, the transmission termination of the data transmission module is described The communication terminal of main control module, the audio end of the input termination main control module of the audio-frequency module, the display module it is defeated Enter the display end for terminating the main control module；

The main control module receives audio signal and view data by the data transmission module, and by the audio-frequency module The audio signal that will be received is played out, and the described image data that will be received by the display module are carried out Display.

2. it is as claimed in claim 1 to control circuit, it is characterised in that the control circuit also includes：

Backlight drive module；

The control end of the input termination main control module of the backlight drive module；

The main control module adjusts the brightness of backlight by the backlight drive module.

It is 3. as claimed in claim 1 to control circuit, it is characterised in that the main control module includes process chip,

The power end of the process chip, communication terminal, control end, audio end and display end are respectively the electricity of the main control module Source, communication terminal, control end, audio end and display end.

4. it is as claimed in claim 3 to control circuit, it is characterised in that the process chip is using model TSUMO58FHG's Process chip.

It is 5. as claimed in claim 1 to control circuit, it is characterised in that the data transmission module includes transmission chip,

The transmission end of the transmission chip is the transmission end of the data transmission module.

It is 6. as claimed in claim 1 to control circuit, it is characterised in that the audio-frequency module includes audio chip,

The input of the audio chip is the input of the audio-frequency module.

It is 7. as claimed in claim 1 to control circuit, it is characterised in that the display module includes display chip,

The input of the display chip is the input of the display module.

It is 8. as claimed in claim 2 to control circuit, it is characterised in that the backlight drive module includes driving chip,

The input of the driving chip is the input of the backlight drive module.

9. a kind of display, it is characterised in that the display includes the control circuit as described in claim any one of 1-8.