Photoelectric conversion device and manufacturing method thereof and display device
A photoelectric conversion and device technology, applied in the direction of electric solid devices, radiation control devices, electrical components, etc., can solve the problems of weak light response performance, low light utilization rate, and low response performance of photoelectric conversion devices, so as to improve utilization rate, The effect of improving responsiveness
Pending Publication Date: 2020-08-11
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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Problems solved by technology
However, limited by the narrow basic bandgap of the active material, it can only respond to light in a specific band, the photoresponse performance is weak, and the light utilization rate is low, making the response performance of photoelectric conversion devices low.
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[0035] In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.
[0036] In the present invention, the same or corresponding components are represented by the same reference numerals regardless of the figure number, and throug...
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The invention provides a photoelectric conversion device and a manufacturing method thereof and a display device. The photoelectric conversion device comprises a substrate and a thin film transistor unit layer located on the substrate, the photoelectric conversion device comprises a photosensitive side, and the thin film transistor unit layer comprises an active layer, source and drain metal layers located at the two ends of the active layer and electrically connected with the active layer, and a photonic crystal function layer arranged on the side, away from the photosensitive side, of the active layer; the photonic crystal functional layer is arranged on one side, far away from the photosensitive side, of the active layer, incident light is reflected to the active layer through the photonic crystal functional layer, and secondary stimulation response of the active layer to light is realized; in addition, the photonic crystal function layer can convert light of other wave bands whichcannot be responded by the active layer into light of wave bands which can be responded by the active layer, and therefore the utilization rate of the light by the photoelectric conversion device andthe adaptability of the photoelectric conversion device to light of different wave bands are further improved.
Description
technical field [0001] The invention relates to the display field, in particular to a photoelectric conversion device, a manufacturing method thereof, and a display device. Background technique [0002] With the advent of the 5G era, the Internet of Things and smart homes will follow one after another. In the 5G era, there are higher requirements for new products, such as smarter, more mobile, more integrated, modular, customized and sustainable. [0003] In the new era, the display device will not only be used as the display carrier of the image screen, but more intelligent design and development is imperative. The integration of sensors provides more directions for the development of intelligent display devices, such as light sensors, which realize the interaction between light in various bands and the panel; touch sensors, which can experiment with precise multi-point touch; non-touch sensors, which can realize gestures recognition, face recognition, etc. Therefore, it...
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Login to View More IPC IPC(8): H01L27/144H01L31/0232H01L31/18
CPCH01L27/1443H01L31/02327H01L31/18Y02P70/50
Inventor 张愉江淼姚江波陈黎暄张鑫
Owner SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD