CN202267796U - Chip-on-glass (COG) liquid crystal display module with Chinese character library - Google Patents
Chip-on-glass (COG) liquid crystal display module with Chinese character library Download PDFInfo
- Publication number
- CN202267796U CN202267796U CN201120319162.3U CN201120319162U CN202267796U CN 202267796 U CN202267796 U CN 202267796U CN 201120319162 U CN201120319162 U CN 201120319162U CN 202267796 U CN202267796 U CN 202267796U
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- cog
- chip
- chinese character
- liquid crystal
- crystal display
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- 239000011521 glass Substances 0.000 title abstract description 5
- 239000004973 liquid crystal related substance Substances 0.000 title abstract 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 229920002799 BoPET Polymers 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical class [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The utility model discloses a chip-on-glass (COG0 liquid crystal display module with a Chinese character library, which comprises a liquid crystal display (LCD) display screen, wherein the LCD display screen adopts a binding way of a chip-on-glass intelligent card (COGIC) chip, the COG IC chip is connected with an external control chip micro controller unit (MCU) through a flexible printed circuit (FPC) connector, a Chinese character library intelligent card (IC) is attached on the upper surface of the FPC connector, a heating plate is also arranged below the LCD display screen, and a light emitting diode (LED0 backlight source is arranged below the heating plate. By adopting the COG binging technology, the COG liquid crystal display module has a compact structure, small size and ultra low power consumption; by utilizing the LED backlight source, the COG liquid crystal display module can be used at night, and by utilizing the heating plate, the COG liquid crystal display module can work under minus 40 degrees; and the upper surface of the FPC connector is provided with the Chinese character library IC, 6763 national standard Chinese characters can be controlled by the external control chip MCU to display, so the COG liquid crystal display module is convenient and flexible to use.
Description
Technical field
The utility model relates to a kind of LCD LCD MODULE, concrete relates to a kind of COG LCD MODULE with Chinese character base.
Background technology
The LCD screen is as main display device; Be widely used in numerous areas such as national defence, industry, family expenses, communal facility, industrial control instrument display requires than higher: must be that volume is little, the operating temperature range of broad, low-power consumption, realization gray scale show, show various literal.Size LCD in traditional 320 * 240; Adopt the SMT structure; Need controller IC, memory IC, driver IC, DC/DC power-switching circuit IC, bias circuit, temperature-compensation circuit, volume is big, processing technology is complicated; Especially static current of lcd is high, can not satisfy the low-power consumption requirement and can't realize that gray scale shows.Need set up Chinese character base in MCU inside if show Chinese character, take the ROM space, increase the software programming difficulty.
The utility model content
For overcoming the deficiency of prior art, the utility model aims to provide a kind of environmental work that can be below 40 degrees below zero, and volume is urinated in installation, the COG LCD MODULE of the band Chinese character base of super low-power consumption.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is realized through following technical scheme:
A kind of COG LCD MODULE with Chinese character base; It comprises the LCD display of one 320 * 240 lattice pixels; Said LCD display adopts a COG (chip on glass, chip is fixed on glass by direct nation) IC chip nation fixed, drives 320 * 240 dot matrix; Said COGIC chip is connected with external control chip MCU through a FPC connector; Hanzi font library IC who includes 6763 standard Chinese characters of said FPC connector upper surface paster, described LCD display below still is provided with a heating plate, and said heating plate below is provided with the LED-backlit source.
Further, said heating plate adopts the PET film of band ITO (Indium Tin Oxides, indium tin oxide), and electrode connects with metal pin draws.
Further, said LCD display adopts the half-reflection and half-transmission display mode.
Further, one-sided luminous five SMT (Surface Mounted Technology, surface installation technique) wick is adopted in the LED-backlit source, and brightness guarantees at 400cd/m
2
Compared with prior art, the utlity model has following beneficial effect:
The utility model adopts the fixed technology of COG nation, and the compact conformation volume is little, super low-power consumption; Use the LED-backlit source working at night, use heating plate under 40 degrees below zero, to work; Can realize that 4 grades of gray scales show; COG IC chip internal can be provided with 4 kinds of temperature compensation coefficients, can select with software as required, posts Hanzi font library IC at the FPC connector upper surface; Can show 6763 GB Chinese characters by external control chip MCU control, easy to use, flexible.
Above-mentioned explanation only is the general introduction of the utility model technical scheme, in order more to know the technological means of understanding the utility model, and can implement according to the content of instructions, below with the preferred embodiment of the utility model and conjunction with figs. specify as after.The embodiment of the utility model is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 shows the explosive view of the utility model.
Label declaration among the figure: 1, LCD display, 2, COG IC chip, 3, Hanzi font library IC, 4, FPC connector, 5, heating plate, 6, the LED-backlit source.
Embodiment
Below with reference to accompanying drawing and combine embodiment, specify the utility model.
Referring to shown in Figure 1; A kind of COG LCD MODULE with Chinese character base; It comprises the LCD display 1 of one 320 * 240 lattice pixels, and said LCD display 1 adopts COGIC chip 2 nations fixed, drives 320 * 240 dot matrix; Said COG IC chip 2 is connected with external control chip MCU through a FPC connector 4; Hanzi font library IC 3 who includes 6763 standard Chinese characters of said FPC connector 4 upper surface pasters, described LCD display 1 below still is provided with a heating plate 5, and said heating plate 5 belows are provided with LED-backlit source 6.
Further, said heating plate 5 adopts the PET film of band ITO, and electrode connects with metal pin draws.
Further, said LCD display 1 adopts the half-reflection and half-transmission display mode.
Further, one-sided luminous five SMT wicks are adopted in LED-backlit source 6, and brightness guarantees at 400cd/m
2
External control chip MCU imports the address of Chinese character to display through I 2C interface; Obtain and read back into the coding of this Chinese character among the external control chip MCU; Be then written to LCD display 1 corresponding position through calculating by programmed control, so understand demonstration Chinese character content on LCD screen 1.
The utility model can be below 40 degrees below zero environmental work; Only realize control, driving, DC/DC conversion with a COG IC chip; A COG IC realizes the function of 10 COG IC of traditional design, and can realize that the level Four gray scale shows, pastes Hanzi font library IC at the FPC connector upper surface simultaneously; Volume is urinated in installation, super low-power consumption.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (4)
1. COG LCD MODULE with Chinese character base; It is characterized in that: the LCD display (1) that comprises one 320 * 240 lattice pixels; Said LCD display (1) adopts a COGIC chip (2) nation fixed; Drive 320 * 240 dot matrix, said COG IC chip (2) is connected with external control chip MCU through a FPC connector (4), and one of said FPC connector (4) upper surface paster includes the Hanzi font library IC (3) of 6763 standard Chinese characters; Described LCD display (1) below still is provided with a heating plate (5), and said heating plate (5) below is provided with LED-backlit source (6).
2. the COG LCD MODULE of band Chinese character base according to claim 1 is characterized in that: said heating plate (5) adopts the PET film of band ITO, and electrode connects with metal pin draws.
3. the COG LCD MODULE of band Chinese character base according to claim 1 is characterized in that: said LCD display (1) adopts the half-reflection and half-transmission display mode.
4. the COG LCD MODULE of band Chinese character base according to claim 1 is characterized in that: one-sided luminous five SMT wicks are adopted in LED-backlit source (6), and brightness guarantees at 400cd/m
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120319162.3U CN202267796U (en) | 2011-08-30 | 2011-08-30 | Chip-on-glass (COG) liquid crystal display module with Chinese character library |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120319162.3U CN202267796U (en) | 2011-08-30 | 2011-08-30 | Chip-on-glass (COG) liquid crystal display module with Chinese character library |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202267796U true CN202267796U (en) | 2012-06-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120319162.3U Expired - Fee Related CN202267796U (en) | 2011-08-30 | 2011-08-30 | Chip-on-glass (COG) liquid crystal display module with Chinese character library |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202267796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955270A (en) * | 2011-08-30 | 2013-03-06 | 昆山顺景光电有限公司 | COG (chip on glass) liquid crystal display module with Chinese character library |
-
2011
- 2011-08-30 CN CN201120319162.3U patent/CN202267796U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955270A (en) * | 2011-08-30 | 2013-03-06 | 昆山顺景光电有限公司 | COG (chip on glass) liquid crystal display module with Chinese character library |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YASHI OPTOELECTRONICS CO., LTD. Free format text: FORMER OWNER: KUNSHAN SHUNJING PHOTOELECTRIC CO., LTD. Effective date: 20140207 |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215000 SUZHOU, JIANGSU PROVINCE TO: 114031 ANSHAN, LIAONING PROVINCE |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140207 Address after: 114031 No. 196 Qianshan Middle Road, Liaoning, Anshan Patentee after: Yashi Photoelectric Co.,Ltd. Address before: 215000, No. 568, Zhang Pu Road, Kunshan, Jiangsu, Suzhou Patentee before: Kunshan Goodluck Optoelectronics Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120606 Termination date: 20150830 |
|
| EXPY | Termination of patent right or utility model |