graphic cob lcd module quotation
Dr Pan: Hello, Greg. COB is the abbreviation for chip on board. It is a technology, which IC is bonded directly onto PCB. COB technology is usually used in LCD module with sophisticated and complex functions.
There is a misunderstanding about COB LCD module. Since it is very stable, people would use this structure no matter what. But COG LCD module is very stable, too. It can totally replace simple COB LCD module with only display function and much cheaper for large quantity.
For the sophisticated LCD module with complex functions, COB technology may be the cheapest solution since it integrates all the components on one board and it can reduce the number of IC and board. But every coin has two sides. Even though it is very stable and there is a very small chance that it will malfunction, it will be irreplaceable if it does. There is why we recommend hybrid structure which integrate COB technology and COG technology together. It has all the merits of both technologies.
Take 240*128 graphic LCD module for example. There are 240 dots horizontally, 128 dots vertically. Outer dimension 170.0×93.4 mm and active area 120.0×64.0 mm. When you develop a custom dot matrix LCD module, it can be any length and width, resolution, but it takes a lot of time and great efforts to develop it. The most widely used dot matrix LCD modules with specific sizes were made public and it is very convenient for everyone to get them with no tooling fee. You will not have a lot of options when you choose a graphic LCD module, a custom dot matrix LCD module is still your first choice.
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Click the button below to open up a pop-up window containing a list of GEI LCD’s standard COB and SMT graphic modules. For more information, inquiries about custom designs, or a quote, please visit GEI LCD’s Contact page.
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The 64128Q is a chip on board (COB) LCD module with a viewing area of approximately 60 x 32.5 mm. The COB IC"s are the Avant SBN6400G-D & SBN0064G-D. Various backlight colors and are available to pair with this STN LCD.
The SBN6400G is 64-COMMON driver, designed to be paired with the SBN0064G 64-SEGMENT driver to drive a dot-matrix STN LCD panel. Functionally, the SBN6400G includes 64 COMMON drivers, on-chip RC oscillator, a 64-bit bi-directional shift register, and timing generation circuit. The RC oscillator needs only an external resistor and capacitor. The timing generation circuit generates clocks and display control signals for both the SBN6400G and the SBN0064G.
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Passive matrix LCDs does not reduce the digital transmitting area with transistor structures, so there is more space for both reflective and transmisive elements with in each sub pixel of a transflective color display.
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Graphics LCD module incorporates the 240 x 128 STN graphics LCD, Inverter and 4 x 4 Key matrix. It supports character as well as graphics mode. It can be used in industrial, medical and automotive applications.
Being one of the reputed organizations in the industry, we are widely acknowledged in offering a unique range of LCD Display 16X2 B-W. Offered product is well-manufactured under the supervision of highly skilled andread more...