CN217157613U - Small-size character type single-color liquid crystal display module - Google Patents
Small-size character type single-color liquid crystal display module Download PDFInfo
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- CN217157613U CN217157613U CN202220227036.3U CN202220227036U CN217157613U CN 217157613 U CN217157613 U CN 217157613U CN 202220227036 U CN202220227036 U CN 202220227036U CN 217157613 U CN217157613 U CN 217157613U
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Abstract
The utility model discloses a monochromatic liquid crystal display module of small-size character type relates to liquid crystal display module technical field, including the PCB circuit board, monochromatic LCD screen is installed to the positive upside of PCB circuit board, the positive right side of PCB circuit board is equipped with the data and mouthful, the position that the back of PCB circuit board corresponds monochromatic LCD screen is equipped with control chip, driver chip and peripheral circuit respectively, still includes the liquid crystal module locating hole, the liquid crystal module locating hole has been seted up on the PCB circuit board, the liquid crystal module locating hole is equipped with four, and sets up respectively in the four corners of PCB circuit board for four liquid crystal module locating holes. The small-size character type monochromatic liquid crystal display module integrates content display and simple input information, can shorten the development period of a user, reduce the development difficulty, optimize the product structure, increase the input function, realize man-machine interaction, reduce the cost, have good benefit and simple structure, and improve the efficiency of batch production.
Description
Technical Field
The utility model relates to a liquid crystal display module technical field specifically is the monochromatic liquid crystal display module of small-size character type.
Background
At present, when the small-sized monochrome liquid crystal display modules on the market need to be subjected to human-computer interaction, the small-sized monochrome liquid crystal display modules need to be input by an external keyboard, an external control panel analyzes and keys in information, and then the control panel modifies a liquid crystal screen register through an 8-bit parallel port communication line so as to display corresponding information.
In the prior art, developers design a keyboard as a carrier, solder patches or plug-in keys, and connect the main control board and the keyboard circuit board by flat wires according to the requirements of the client for typing contents, such as 3X3 or 4X4 keyboards. In terms of programs, a plurality of IO ports are reserved in a chip of a main control board to serve as key values of a retrieval keyboard, and in the daily process of the main control chip, a part of time is reserved to retrieve key information, so that the program operation efficiency is low.
By combining the above results, the existing technical scheme has the defects of slow development speed, redundant structure, low mass production efficiency and the like.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome current defect, provide the monochromatic liquid crystal display module of small-size character type, with content display + simple input information integration, can shorten user development cycle, reduce the development degree of difficulty, optimize the product structure, increase input function and realize human-computer interaction, can reduce cost, it is profitable, the structure is succinct, has improved batch production's efficiency, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the small-size character type monochromatic liquid crystal display module comprises a PCB (printed circuit board), wherein a monochromatic liquid crystal screen is installed on the upper side of the front face of the PCB, a data parallel port is formed in the right side of the front face of the PCB, and a control chip, a driving chip and a peripheral circuit are respectively arranged at the position, corresponding to the monochromatic liquid crystal screen, of the back face of the PCB.
Furthermore, the PCB further comprises a liquid crystal module positioning hole, and the PCB is provided with the liquid crystal module positioning hole.
Furthermore, four liquid crystal module positioning holes are formed in the PCB, and the four liquid crystal module positioning holes are respectively formed in four corners of the PCB.
Further, the LED backlight panel is further included, and the LED backlight panel is arranged on the left side of the monochromatic liquid crystal screen.
Further, still include the fixed iron of metal and detain, the border position that the back of PCB circuit board corresponds the monochromatic LCD screen is equipped with the fixed iron of metal and detains, the tip that the fixed iron of metal detained extends to the front of PCB circuit board and the border of the monochromatic LCD screen of fixed connection.
Furthermore, six metal fixing iron buckles are arranged, and three metal fixing iron buckles are arranged on the upper side and the lower side of the monochromatic liquid crystal display screen at equal intervals.
Furthermore, the PCB circuit board further comprises buttons, and four buttons are equidistantly arranged on the lower side of the front face of the PCB circuit board.
Compared with the prior art, the beneficial effects of the utility model are that: the small-size character type single-color liquid crystal display module has the following advantages:
1. the content display and simple input information are integrated, so that the development period of a user can be shortened, the development difficulty is reduced, the product structure is optimized, and the defect of a structure that the display information and the input information are separated in the conventional monochromatic liquid crystal display module is overcome;
2. the input function is added to realize human-computer interaction, so that the cost can be reduced, the benefit is good, the structure is simple, and the efficiency of batch production is improved;
3. the four-position button is loaded on the liquid crystal display screen, the structure is reasonable, the layout is attractive, the requirements of most industrial control electrical appliances are met, the convenience is brought to the simple input of customers, the integrated design can optimize the design layout of product devices, and the product structure is attractive.
Drawings
FIG. 1 is a schematic front view of the present invention;
fig. 2 is a schematic view of the back structure of the present invention.
In the figure: the LED backlight module comprises a data parallel port 1, a button 2, a liquid crystal module positioning hole 3, a metal fixing iron buckle 4, a monochromatic liquid crystal screen 5, a PCB circuit board 6, an LED backlight plate 7, a control chip 8 and a drive chip 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the small-size character type monochromatic liquid crystal display module comprises a PCB (printed circuit board) 6, wherein a monochromatic liquid crystal screen 5 is installed on the upper side of the front face of the PCB 6, a data parallel port 1 is formed in the right side of the front face of the PCB 6, and a control chip 8, a driving chip 9 and a peripheral circuit are respectively arranged at the position, corresponding to the monochromatic liquid crystal screen 5, of the back face of the PCB 6.
The monochrome liquid crystal screen 5 supports display of 20 English numerals and supports a button input function.
The PCB structure further comprises a liquid crystal module positioning hole 3, and the PCB circuit board 6 is provided with the liquid crystal module positioning hole 3.
The number of the liquid crystal module positioning holes 3 is four, and the four liquid crystal module positioning holes 3 are respectively arranged at four corners of the PCB circuit board 6 and used for positioning and installing the PCB circuit board 6.
The LED backlight module further comprises an LED backlight plate 7, and the LED backlight plate 7 is arranged on the left side of the monochromatic liquid crystal screen 5.
Still including the fixed iron of metal and detaining 4, the border position that the back of PCB circuit board 6 corresponds monochromatic LCD screen 5 is equipped with the fixed iron of metal and detains 4, and the tip of the fixed iron of metal detains 4 extends to the front of PCB circuit board 6 and the border of the monochromatic LCD screen 5 of fixed connection.
Six metal fixing iron buckles 4 are arranged, three metal fixing iron buckles 4 are arranged on the upper side and the lower side of the monochromatic liquid crystal display screen 5 at equal intervals, and the metal fixing iron buckles 4 are used for tightly fixing an iron cover of the liquid crystal display screen.
Still include button 2, the equidistant four buttons 2 of installing of the positive downside of PCB circuit board 6, load the four-digit button 2 in the below of monochromatic LCD screen 5, rational in infrastructure and overall arrangement are pleasing to the eye, accord with most industrial control class or electrical apparatus class occasion demand, and there is the data line interface four-digit button 2 right side.
The data parallel port 1 is used for the user to automatically transmit data for display;
a button 2 for the customer to define the function by himself;
the monochromatic liquid crystal screen 5 comprises liquid crystal display glass, an LED backlight plate 7, a silicon rubber conductive connector and a metal fixing iron buckle 4, the liquid crystal display glass, the LED backlight plate 7 and the silicon rubber conductive connector form a liquid crystal display screen, and the metal fixing iron buckle 4 penetrates through the upper side of the PCB circuit board 6 and is connected to the back of the upper side of the PCB circuit board 6 in a clamping mode.
The small-size character type monochromatic liquid crystal display module is small in size, and is provided with a button and integrated with a display screen;
the button 2 that supplies the user to define the function by oneself is reserved to the front below of PCB circuit board 6, is equipped with eight parallel data communication ports (be data parallel port 1 promptly), solves the problem that the customer also needs to add the keyboard input in addition because of simple input, and the position that corresponds monochromatic liquid crystal display subassembly of the back of PCB circuit board 6 is provided with driver chip 9 and peripheral circuit respectively. The English or symbol display device is reasonable in structure and attractive in layout, meets the requirements of most industrial control equipment or electrical appliances, can display English or symbol contents, can shorten the development period of a user, reduces the cost, the development difficulty and the cost, and optimizes the product structure.
The product is internally provided with an English letter and symbol library, uses STN and POSITIVE display modes, redesigns the liquid crystal display screen to ensure that the liquid crystal display screen is suitable for a small volume and has more display contents, realizes the integration of input and display, and the single-color liquid crystal display screen 5 has two colors for selection, solves the problem that the traditional liquid crystal display screen has poor low-temperature display and can reach the working temperature through technical improvement: the temperature is-20 to 70 ℃, the functional improvement required by customers is solved, and the application is convenient;
the control chip 8 reduces the cost and the volume by using S6A0070, solves the low-temperature characteristic by using STN and POSITIVE display modes, and meets the requirements of customers by adding button position reservation;
compared with the prior product technology, the technical scheme comprises the following steps:
the product is innovated, the performance and the appearance are obviously improved, and compared with the product or the product on the market, the price and the low-temperature performance are obviously reduced.
1) When a user wants to input information, a developer needs to additionally build button input hardware as a carrier, design an integral button circuit board, purchase a key and a connector welding circuit board, and connect the key and the connector welding circuit board to a main control board through a communication line.
The scheme loads the four-digit button on the liquid crystal display screen, has reasonable structure and attractive layout, meets the requirements of most industrial control occasions, and can simply realize man-machine communication.
2) The utility model discloses a monochromatic liquid crystal display module, the drawback of the detached structure of display, input information is shown with content and input information integration in the past mainly to this scheme, present monochromatic LCD screen, keypad, control panel etc. discrete device integration, and this utility model can shorten user development cycle, reduces the development degree of difficulty, optimizes the product structure.
The integrated design of the scheme can optimize the design layout of the internal devices of the product, so that the product structure is lighter, thinner and more attractive.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The small-size character type monochromatic liquid crystal display module is characterized by comprising a PCB (printed circuit board) 6, a monochromatic liquid crystal screen 5 is installed on the upper side of the front face of the PCB 6, a data parallel port 1 is arranged on the right side of the front face of the PCB 6, a control chip 8, a driving chip 9 and a peripheral circuit are respectively arranged at the position, corresponding to the monochromatic liquid crystal screen 5, of the back face of the PCB 6, a button 2 is further arranged on the lower side of the front face of the PCB 6, the number of the buttons 2 is four, and the buttons are equidistantly installed below the monochromatic liquid crystal screen 5.
2. The small-sized character-type monochrome liquid crystal display module according to claim 1, wherein: the PCB is characterized by further comprising a liquid crystal module positioning hole (3), and the PCB circuit board (6) is provided with the liquid crystal module positioning hole (3).
3. The small-sized character-type monochrome liquid crystal display module according to claim 2, wherein: the number of the liquid crystal module positioning holes (3) is four, and the four liquid crystal module positioning holes (3) are respectively arranged at four corners of the PCB (6).
4. The small-sized character-type monochrome liquid crystal display module according to claim 1, wherein: the LED backlight module is characterized by further comprising an LED backlight plate (7), wherein the LED backlight plate (7) is arranged on the left side of the monochromatic liquid crystal screen (5).
5. The small-sized character-type monochrome liquid crystal display module according to claim 1, wherein: still detain (4) including the fixed iron of metal, the border position that the back of PCB circuit board (6) corresponds monochromatic LCD screen (5) is equipped with the fixed iron of metal and detains (4), the tip that the fixed iron of metal detained (4) extends to the front of PCB circuit board (6) and the border of the monochromatic LCD screen of fixed connection (5).
6. The small-sized character-type monochrome liquid crystal display module according to claim 5, wherein: six metal fixing iron buckles (4) are arranged, and three metal fixing iron buckles (4) are arranged on the upper side and the lower side of the monochromatic liquid crystal display screen (5) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220227036.3U CN217157613U (en) | 2022-01-27 | 2022-01-27 | Small-size character type single-color liquid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220227036.3U CN217157613U (en) | 2022-01-27 | 2022-01-27 | Small-size character type single-color liquid crystal display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217157613U true CN217157613U (en) | 2022-08-09 |
Family
ID=82690255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220227036.3U Active CN217157613U (en) | 2022-01-27 | 2022-01-27 | Small-size character type single-color liquid crystal display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217157613U (en) |
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2022
- 2022-01-27 CN CN202220227036.3U patent/CN217157613U/en active Active
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