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  • What is the effect of the haze of the diffuser? 2021-07-20
    Haze is also called turbidity. It can measure the degree of unclearness or turbidity of transparent or translucent materials. It is an indicator of scattering. The generation of haze is the cloudy or turbid appearance caused by light scattering from the internal or external surface of the material. The definition of haze is: the percentage of the ratio of the luminous flux scattered by the materia...
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  • The advantages and disadvantages of side-entry (ELED) /direct-type (DLED) 2021-07-09
    When buying a TV, we often see that the TV adopts an edge-type backlight (ELED backlight) or a direct-type backlight (DLED backlight). What are these so-called backlight concepts, and what impact do they have on TV performance?The role and classification of backlightFrom the light-emitting principle, LCD TV (also known as LED backlight TV, commonly known as LED TV) is composed of a light source an...
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  • Method for manufacturing high-color gamut quantum dot film applicable between liquid crystal panel and backlight module 2021-07-05
    The utility model relates to the technical field of optical display, in particular to a high-color gamut quantum dot film that can be applied between a liquid crystal panel and a backlight module.Background technique:At present, quantum dots have only made practical progress in large-size TVs in the display field. The color gamut of TV screens produced by using quantum dot technology is 40% ntsc h...
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  • Analysis and solutions of problems in the process of LED backlight test 2021-06-18
    Share the problems and solutions in the LED backlight test process:       1. The brightness is not enough and the color is relatively light. Analysis: The customer’s original emerald green (high-brightness LED light), the thickness of the open-molded light guide plate is only 1.4MM.          Solution: Choose emerald green LED lights that are close to th...
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  • What is backlight 2021-06-17
    The backlight is a light source device used to ensure the light is emitted behind the LCD screen.Because the liquid crystal display device itself is transparent and does not emit light, it needs a backlight to assist. Some indicators, such as the brightness and uniformity of the backlight, have a direct impact on the relevant performance of the liquid crystal display. Compared with CCFL, the color...
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  • About LCD TV backlight 2021-05-31
    As is well known, the liquid crystal panel itself cannot emit light, and a backlight is required as a light source. The LCD is like a small window that controls the opening and closing of light, and then turns the light into red, green and blue through the filter color to form a TV screen. In the early days, there was a three-primary RGB backlight, but the cost was high, and it has now disappeared...
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  • What does LED backlight mean 2021-05-28
    The LCD is a non-luminous display device, which requires the use of LED backlight source to achieve the display function.  The performance of the LED backlight source will directly affect the display quality of the LCD. The cost of the backlight source accounts for 3-5% of the LCD module, and the power consumed accounts for 75% of the module. It can be said to be a very important part of the ...
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  • About LCD TV backlight 2021-05-12
    As is well known, the liquid crystal panel itself cannot emit light, and a TV backlight is required as a light source. The LCD is like a small window that controls the opening and closing of light, and then turns the light into red, green and blue through the filter color to form a TV screen. In the early days, there was a three-primary RGB backlight, but the cost was high, and it has now disappea...
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  • LED TV backlight technology 2021-05-10
    LED are made by replacing CCFL cold cathode fluorescent tubes with light-emitting diodes to achieve a better lighting display. However, LED backlighting has evolved since then, so it is used for three main types, with different display effects.A. Direct Down LED Backlight (DLED backlight)The main feature is that the backlight panel is covered with LEDs for uniform illumination. Character...
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  • Detection Method Of LED TV Diffuser Plate 2021-05-08
    1. Illuminance meter, this kind of instrument is cheap, convenient and portable, but due to the interference of natural light from the outside, the measured value will generally be higher. This kind of instrument is only suitable for reference, it is suitable for comparison, and cannot be used as an accurate instrument. 2. Light transmittance and haze tester: This kind of instrument...
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