Contact Person : Tina Fu
Phone Number : +86 755-27806536
WhatsApp : +8615919862398
May 23, 2022
Chenghao model: CH400WV17B-CTBA TFT Display/ Capacitive screen display/LCD display
Chenghao optoelectronics - the new product provides a black front cover, black touch screen and TFT lcd display. When the fully bonded liquid crystal module is in the screen rest state, the color difference between the visible area and the non visible area is small, which can form an integrated all black effect.
The black touch screen comprises the black front cover and a touch layer, and the touch layer is arranged on the back of the black front cover. The touch layer is bonded with the black front cover through a second optical adhesive.
The liquid crystal module comprises the black front cover or the black touch screen, and a liquid crystal panel. The liquid crystal panel is fully bonded on the back of the black front cover or the black touch screen, wherein the side of the liquid crystal panel facing the black front cover or the black touch screen is a second circular polarizer, and the side facing away from the black front cover or the black touch screen is a linear polarizer; The polarization axis direction of the first circular polarizer is parallel to the polarization axis direction of the second circular polarizer and perpendicular to the polarization axis direction of the linear polarizer.
The liquid crystal panel is bonded with the black front cover or black touch screen through the third optical glue, so as to achieve the all blackness display effect required by the user
This product has the following beneficial effects:
The black front cover is provided with a first circular polarizer on the back of the visual area, which can effectively block the incidence of external natural light, achieve the purpose of extinction and reducing reflected light on the visual area, and make the color of the visual area darker. When the full fit display module is in the screen state, the color difference between the visual area and the non visual area is small, which can form an integrated black effect, And the natural light passing through the first circular polarizer is transformed into circular polarized light whose polarization axis changes spirally with the light moving forward, which can cooperate with the polarization axis of the upper polarizer and the lower polarizer of the liquid crystal panel, so that the light passing through the first circular polarizer cannot pass through the first circular polarizer again after being reflected by the liquid crystal panel, which can further reduce the reflected light formed by the natural light on the liquid crystal panel and make the black of the visible area deeper, The color difference between visible and non visible areas is smaller.
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