Abstract:
The present disclosure generally relates to the field of detection technology. A sensor includes a base substrate; a voltage dividing photodiode on the base substrate; and a detecting photodiode on the base substrate. The voltage dividing photodiode may include a first electrode and a second electrode arranged in a stack. The detecting photodiode may include a third electrode and a fourth electrode arranged in a stack. The voltage dividing photodiode is configured to operate substantially permanently in a dark state. The detecting photodiode is configured to operate with a reverse bias applied by the first power terminal and the second power terminal, so as to detect a light intensity.
Abstract:
An embodiment of the present invention provides a method for producing a flexible display panel. The method includes the following steps of: providing a bearing substrate and a transparent substrate arranged with the flexible display panel; setting a laser irradiation path and irradiating the bearing substrate by using a laser along the set laser irradiation path to form a mark region on the bearing substrate; placing the flexible display panel on the mark region correspondingly; irradiating from a side of the transparent substrate by re-using the laser along the set laser irradiation path, to peel off the flexible display panel from the transparent substrate; and separating the flexible display panel from the mark region on the bearing substrate to obtain the flexible display panel.
Abstract:
An embodiment of the present invention provides a method for producing a flexible display panel. The method includes the following steps of: providing a bearing substrate and a transparent substrate arranged with the flexible display panel; setting a laser irradiation path and irradiating the bearing substrate by using a laser along the set laser irradiation path to form a mark region on the bearing substrate; placing the flexible display panel on the mark region correspondingly; irradiating from a side of the transparent substrate by re-using the laser along the set laser irradiation path, to peel off the flexible display panel from the transparent substrate; and separating the flexible display panel from the mark region on the bearing substrate to obtain the flexible display panel.
Abstract:
A photosensitive element includes a first film layer, a second film layer and a third film layer. The first film layer, the second film layer and the third film layer are in a sequentially stacked structure, the first film layer is a p-type copper indium gallium selenide (CIGS) layer, the second film layer is an i-type CIGS layer, and the third film layer is an n-type film layer, and the first film layer, the second film layer and the third film layer form a PIN junction structure.
Abstract:
At least one embodiment of this disclosure provides a display apparatus for solving the problem of a low identification precision due to a relatively large distance between the finger and the fingerprint identification device. The display apparatus comprises a display panel and at least one fingerprint identification device. Each fingerprint identification device comprises a plurality of identification units arranged in an array, each identification unit being provided with a photosensitive element. The photosensitive element is used for performing photoelectric conversion of incident light. The fingerprint identification device further comprises a collimating filter layer arranged on a light entrance surface of the photosensitive element. The collimating filter layer comprises a plurality of strip-shaped light guide portions arranged to be spaced and parallel, a longitudinal direction of the plurality of strip-shaped light guide portions being substantially perpendicular to the light entrance surface of the photosensitive element.
Abstract:
A fingerprint identification sensor, a fingerprint identification method and an electronic device are disclosed. The fingerprint identification sensor includes a substrate; a fingerprint sensing element disposed on the substrate and including a thin film transistor, an off-state leakage current of the thin film transistor varying with the intensity of light irradiating onto an active area thereof; and a fingerprint identification light source arranged to emit light that irradiates onto a finger and is reflected thereby, the reflected light irradiating onto the active area of the thin film transistor. Thus, the fingerprint identification can be realized conveniently, and the fingerprint identification sensor has at least one of the advantages like high sensitivity and simple structure.
Abstract:
A transfer apparatus includes a supporting member, a free electron excitation device and a detection device; the free electrons excitation device is configured to excite semiconductor material of an object to be transferred to generate free electrons, and the detection device is configured to detect whether material of a surface of the transferred object in contact with the support surface of the supporting member is conductive under excitation by the free electron excitation device. A laser annealing apparatus comprising the transfer apparatus is further provided.
Abstract:
An X-ray detection board and a manufacture method thereof, and an X-ray detection device are disclosed in the embodiments of the present invention. The X-ray detection board comprises: a substrate; photoelectric conversion devices disposed on the substrate; a conversion layer disposed on the photoelectric conversion devices and configured to convert X-rays into visible light; and a packaging layer disposed on the conversion layer and having a plurality of transmission windows, wherein the photoelectric conversion devices correspond in position to the transmission windows, respectively, and wherein condenser lenses for condensing the light converted by the conversion layer are disposed on sides of the photoelectric conversion devices facing the transmission windows. A light condensing effect is improved by use of the condenser lenses such as microlenses so that more light can be projected upon the photoelectric conversion devices through the condenser lenses. As a result, a quantum efficiency and thus an imaging effect are improved.
Abstract:
A display substrate, a display panel, and a display device. The display substrate includes a substrate, and a plurality of polygonal pixels arranged in an array on the substrate. Each polygonal pixel includes a plurality of sub-pixels and a photoelectric sensor. An orthographic projection of the plurality of sub-pixels on the substrate and an orthogonal projection of the photoelectric sensor on the substrate do not overlap with each other. The display substrate, the display panel and the display device of the embodiments of the present disclosure can maximize the collection of optical signals, thereby improving the efficiency of the photoelectric sensor and the accuracy of a fingerprint identification in certain applications.
Abstract:
The present disclosure provides a display panel, its manufacturing method and a display device. The manufacturing method of the display panel comprises: forming, on a substrate, a thin film transistor comprising a gate electrode, an active layer, a source electrode and a drain electrode; forming a hydrogen diffusion barrier layer that covers the entire substrate, wherein the hydrogen diffusion barrier layer is electrically conductive and is electrically connected to the drain electrode; and forming a photosensitive structure layer on the hydrogen diffusion barrier layer.