Abstract: The present application discloses a display panel and a display device. The display panel includes a fingerprint recognition area. The display panel includes a cover plate and an optically transparent layer. The optically transparent layer at least covers a portion of the cover plate located in the fingerprint recognition area. A refractive index of the optically transparent layer is greater than a refractive index of air and less than a refractive index of a finger. A thickness of the optically transparent layer is an even multiple of a half-wavelength of a fingerprint recognition light ray. Half-wave loss and interference of light are used to improve fingerprint recognition performance.

Abstract: The disclosure discloses a method for processing oil crops with rhodotorula, and belongs to the technical field of fermentation. The method includes the step of inoculating the rhodotorula (such as Rhodotorula mucilaginosa, Sporidiobolus salmonicolor and Rhodotorula glutinis) that can produce carotenoid into a fermentation medium that contains oil-rich oil crops for solid state fermentation to obtain oil and oil crop meal rich in carotenoid. The carotenoid as a fermentative metabolite of the rhodotorula has bioactivities of resisting oxidation, preventing vascular sclerosis, enhancing immunity and preventing cancers. Contents of carotenoid in the oil and oil crop meal acquired by the method can be up to 9.071 ?g/g and 8.062 ?g/g correspondingly.

Abstract: The application discloses a liquid crystal display panel, including: a color filter substrate defined with a plurality of light path openings, a driving substrate arranged opposite to the color filter substrate, a liquid crystal layer located between the color filter substrate and the driving substrate, and a plurality of photosensitive sensor units, wherein a plurality of retaining wall structures are provided in the liquid crystal layer, the retaining wall structures are hollow, a top and a bottom of each of the retaining wall structures are both open, a top opening of each of the retaining wall structures is aligned with at least one of the light path openings, and a bottom opening of each of the retaining wall structures is aligned with one of the photosensitive sensor units. The present application can improve signal-to-noise ratios of fingerprint signals through the retaining wall structures.

Abstract: A display screen and an electronic device are provided. The display screen includes an anti-interference film. The anti-interference film includes a plurality of light-shielding sublayers. Each of the light-shielding sublayers includes a plurality of opening portions and a plurality of light-shielding portions. An orthographic projection of light-shielding portions of one of two adjacent light-shielding sublayers on the liquid crystal display panel partially overlaps with an orthographic projection of opening portions of the other light-shielding sublayer on the liquid crystal display panel.

Abstract: A display panel and a display device are provided. The display panel includes a first display module and a second display module. The first display module includes a display region and a light-transmission region adjacent to the display region. The second display module is disposed in the light-transmission region, and is adjacent to the display region of the first display module. The second display module includes a plurality of pixel regions. Each of the pixel regions is provided with a self-luminous micro-light-emitting unit, and any adjacent two of the micro-light-emitting units are spaced apart from each other.

Abstract: A display panel and a display device are provided. The display panel includes a first display module and a second display module. The first display module includes a display region and a light-transmission region adjacent to the display region. The second display module is disposed in the light-transmission region, and is adjacent to the display region of the first display module. The second display module includes a plurality of pixel regions. Each of the pixel regions is provided with a self-luminous micro-light-emitting unit, and any adjacent two of the micro-light-emitting units are spaced apart from each other.

Abstract: A display screen and an electronic device are provided. The display screen includes an anti-interference film. The anti-interference film includes a plurality of light-shielding sublayers. Each of the light-shielding sublayers includes a plurality of opening portions and a plurality of light-shielding portions. An orthographic projection of light-shielding portions of one of two adjacent light-shielding sublayers on the liquid crystal display panel partially overlaps with an orthographic projection of opening portions of the other light-shielding sublayer on the liquid crystal display panel.

Abstract: The present invention provides a display device which includes a display panel, a light shielding member, and an electronic element. The display panel includes a first display region and a second display region disposed corresponding to the electronic element, and a light transmittance of the second display region is greater than a light transmittance of the first display region. When the electronic element is in operation, the light shielding member is opened to open a light-transmitting channel between the electronic element and the second display region. When the electronic element is not in operation, the light shielding member is closed to close the light-transmitting channel. When the electronic element needs to be used, the light shielding member is opened. When the electronic element is not needed, the light shielding member shield the electronic element to hide it.

Abstract: A method of forming a mesh plate and a display device containing the mesh plate are provided. The mesh plate includes a plurality of first portions extend in a horizontal direction and parallel to each other and a plurality of second portions extend in a vertical direction and parallel to each other. Material of each of the first portions and the second portions is independently selected from one of magnet and magnetically conductive material. The positions of the first portions and the second portions is adjusted to cross each other and thus form a plurality of open areas according to preset positions for the open areas.

Abstract: An electronic device and an optical fingerprint recognition module thereof are provided. The optical fingerprint recognition module includes: an optical component, wherein the optical component includes a substrate and a grating dielectric layer disposed on the substrate, and the grating dielectric layer includes a plurality of repeating grating units arranged in an array manner; and a fingerprint sensor, wherein the fingerprint sensor is configured to receive a light signal transmitted from the optical component, and is configured to convert the light signal into an electrical signal.

Abstract: A liquid crystal display panel and a liquid crystal display device are provided. The liquid crystal display panel includes a color film substrate, an array substrate disposed opposite to the color filter substrate, and a liquid crystal layer disposed between the color filter substrate and the array substrate. The color film substrate includes color filter layers arranged into an upper and a lower layer, positions of the upper and lower layers corresponding one-to-one, and colors thereof corresponding with a same color. A fingerprint recognition unit is disposed between the color film substrate and the array substrate. When fingerprint recognition is performed, the upper layer blocks large-angle reflection light of fingerprints and improve a “signal-to-noise ratio” of reflection light of the fingerprints emitted to the fingerprint recognition unit, thereby improving accuracy of the fingerprint recognition. The liquid crystal display device of the invention includes the above liquid crystal display panel.

Abstract: The present application provides a device for under-screen optical fingerprint-identification, which includes a display panel and a fingerprint-identification unit array, wherein the fingerprint-identification unit array is disposed inside the display panel, and includes a plurality of fingerprint-identification units and a plurality of diffraction grating layers. Additional optical structures can be excluded to prevent receiving large-angle interfered light signals by using the fingerprint-identification units having diffraction grating layers according to the present application, so that a thickness of the entire device can be greatly reduced.

Abstract: A display panel is provided comprising a display surface and a non-display surface disposed opposite to the display surface, the display panel comprises a first display area, a second display area, and a photosensitive component. A polymer dispersed liquid crystal film is disposed in the second display area, wherein the photosensitive component is disposed on a side of the non-display surface of the display panel is disposed corresponding to the second display area.

Abstract: An electronic device and an optical fingerprint recognition module thereof are provided. The optical fingerprint recognition module includes: an optical component, wherein the optical component includes a substrate and a grating dielectric layer disposed on the substrate, and the grating dielectric layer includes a plurality of repeating grating units arranged in an array manner; and a fingerprint sensor, wherein the fingerprint sensor is configured to receive a light signal transmitted from the optical component, and is configured to convert the light signal into an electrical signal.

Abstract: The present invention provides a display device which includes a display panel, a light shielding member, and an electronic element. The display panel includes a first display region and a second display region disposed corresponding to the electronic element, and a light transmittance of the second display region is greater than a light transmittance of the first display region. When the electronic element is in operation, the light shielding member is opened to open a light-transmitting channel between the electronic element and the second display region. When the electronic element is not in operation, the light shielding member is closed to close the light-transmitting channel. When the electronic element needs to be used, the light shielding member is opened. When the electronic element is not needed, the light shielding member shield the electronic element to hide it.

Abstract: A display panel and a display device are provided. The display panel includes a backlight module, a light-control liquid crystal cell, a collimating film layer, and a display liquid crystal cell stacked from bottom to top. The collimating film layer is configured to limit transmission of scattered light beams with large angle. The display device includes the abovementioned display panel.

Abstract: A display panel and a display device are provided. The display panel includes a backlight module, a light-control liquid crystal cell, a collimating film layer, and a display liquid crystal cell stacked from bottom to top. The collimating film layer is configured to limit transmission of scattered light beams with large angle. The display device includes the abovementioned display panel.

Abstract: Diffuser Elms may include a substrate and a plurality of diffusing particles uniformly distributed in the substrate. An absolute value of a difference between a refractive index of the diffusing particles and a refractive index of the substrate is less than or equal to 0.25, a diameter of the diffusing panicles ranges from 1 ?m to 6 ?m, and a weight percentage of the diffusing particles in the substrate ranges from 1‰ to 12‰, such that both a light transmittance and a haze of the diffuser film are greater than 80%.

Abstract: A display panel is provided comprising a display surface and a non-display surface disposed opposite to the display surface, the display panel comprises a first display area, a second display area, and a photosensitive component. A polymer dispersed liquid crystal film is disposed in the second display area, wherein the photosensitive component is disposed on a side of the non-display surface of the display panel is disposed corresponding to the second display area.

Abstract: A method of forming a mesh plate and a display device containing the mesh plate are provided. The mesh plate includes a plurality of first portions extend in a horizontal direction and parallel to each other and a plurality of second portions extend in a vertical direction and parallel to each other. Material of each of the first portions and the second portions is independently selected from one of magnet and magnetically conductive material. The positions of the first portions and the second portions is adjusted to cross each other and thus form a plurality of open areas according to preset positions for the open areas.