Touch screen and display device
A technology of a display device and a touch screen, applied to instruments, electrical digital data processing, input/output process of data processing, etc., capable of solving problems such as color distortion, color distortion of the touch screen 10, and affecting viewing effects, and achieving good image quality and viewing effect, the effect of reducing color cast
Inactive Publication Date: 2016-02-24
贵州富纳源创科技有限公司 +1
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Problems solved by technology
[0007] However, when the touch screen 10 is in use, when the light emitted from the display screen passes through a certain optical film in the touch screen 10, since the optical film has different light transmittances for visible light of different wavelengths, It will cause a certain color shift to the touch screen 10 including the optical film, causing the color of the touch screen 10 to be distorted
For example, when the transparent conductive layer 14 of the above structure includes a carbon nanotube layer, the light emitted by the display screen passes through the transparent carbon nanotube layer, because the transparent carbon nanotube layer has different Light transmittance, that is, the light transmittance of the transparent carbon nanotube layer to short-wavelength visible light will be lower than the light transmittance of long-wavelength visible light, therefore, the touch screen 10 comprising the carbon nanotube layer will produce a certain Color shift, causing the color distortion of the touch screen 10, and then affecting the viewing effect
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[0031] The preparation method of the carbon nanotube drawn film in the present embodiment mainly comprises the following steps:
[0032] Step 1: providing a carbon nanotube array, preferably, the carbon nanotube array is a super-aligned carbon nanotube array.
[0033]The carbon nanotube array provided in this embodiment is a single-wall carbon nanotube array, a double-wall carbon nanotube array or a multi-wall carbon nanotube array. The preparation method of the super-aligned carbon nanotube array adopts the chemical vapor deposition method, and its specific steps include: (a) providing a flat substrate, which can be a P-type or N-type silicon substrate, or a silicon substrate with an oxide layer formed on it. Silicon substrate, this embodiment preferably adopts a 4-inch silicon substrate; (b) uniformly form a catalyst layer on the surface of the substrate, and the catalyst layer material can be selected from iron (Fe), cobalt (Co), nickel (Ni) or any One of the combined allo...
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The invention relates to a touch screen, which comprises a first optical film arranged in the touch screen and on a path where a light passes through. The light transmittance of the first optical film to visible lights with long wave length is greater than that to the visible lights with short wave length. The touch screen further comprises a color error improving layer which is arranged in the touch screen and on a path where a light passes through. The light transmittance of the color error improving layer to visible lights with short wave length is greater than that to the visible lights with long wave length. The invention further relates to a display device.
Description
technical field [0001] The invention relates to a touch screen and a display device, in particular to a low color shift touch screen and a display device. Background technique [0002] In recent years, along with the high-performance and diversified development of various electronic devices such as mobile phones and touch navigation systems, electronic devices with light-transmitting touch panels mounted on the front of display components such as liquid crystals have gradually increased. Users of such electronic devices use the touch panel to visually confirm the display content of the display unit located on the back of the touch panel, and to operate by pressing the touch panel with a finger or a pen. Thereby, various functions of the electronic device can be operated. [0003] According to different working principles and transmission media of touch screens, existing touch screens are divided into four types, namely resistive type, capacitive type, infrared type and surf...
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IPC IPC(8): G06F3/041
Inventor 许育儒施博盛
Owner 贵州富纳源创科技有限公司