Abstract: A driving behavior warning system and a driving behavior warning method are provided. The driving behavior warning system includes a driving behavior detection unit, an electrically controllable viewing angle display unit and a control unit. The driving behavior detection unit detects behavior information of a driver. The electrically controllable viewing angle display unit provides a display beam, and has a narrow viewing angle mode and a wide viewing angle mode, wherein a light emitting viewing angle range of the display beam in the narrow viewing angle mode is smaller than that in the wide viewing angle mode. When the behavior posture is an unconfirmed behavior and the vehicle driving state is a moving state, the control unit controls at least a portion of the electrically controllable viewing angle display unit to continuously switch between the narrow viewing angle mode and the wide viewing angle mode.

Abstract: An electrically controlled viewing angle switching device includes a first substrate, a second substrate, a first liquid crystal layer, a first alignment layer, a second alignment layer, a plurality of spacers, a first polarizer and a second polarizer. An included angle between a first alignment direction of the first alignment layer and a second alignment direction of the second alignment layer is between 165 degrees and 195 degrees. Each of the plurality of spacers has a height greater than 5 ?m. An included angle between a first absorption axis of the first polarizer and the first alignment direction is between 0 degrees and 15 degrees or between 75 degrees and 105 degrees. An included angle between a second absorption axis of the second polarizer and the second alignment direction is between 0 degrees and 15 degrees or between 75 degrees and 105 degrees.

Abstract: A display apparatus including a display panel, a first electrically controlled phase retarder, a polarization modulator and a second polarizer is provided. The polarization modulator includes a first polarizer and a polarization modulation unit. The polarization modulation unit includes a first phase retardation film. An orthographic projection of a first optical axis of the first phase retardation film on the display surface is not parallel and not perpendicular to an orthographic projection of a first absorption axis of the first polarizer on the display surface. A sum of the in-plane phase retardation of the polarization modulation unit is greater than or equal to -50 nm and less than or equal to 50 nm. The first electrically controlled phase retarder is located between the second polarizer and the polarization modulator. A second absorption axis of the second polarizer is perpendicular to the first absorption axis.

Abstract: A display panel including a substrate, a light emitting structure layer, a C-plate, and a first bandpass polarizing reflective layer is provided. The light emitting structure layer is disposed on the substrate and includes first light emitting structures. The first light emitting structures are configured to emit excitation light of a first peak emission wavelength. The C-plate is disposed on a side of the light emitting structure layer away from the substrate. The first bandpass polarizing reflective layer is disposed between the light emitting structure layer and the C-plate and overlapped with the light emitting structure layer. A reflectance of the first bandpass polarizing reflective layer for light with a wavelength in a first wavelength range is greater than 20%. The first wavelength range is the first peak emission wavelength±20 nm.

Abstract: An electrically controlled optical screen including a switchable scattering element and an electrically controlled decorating module is provided. The switchable scattering element is disposed on a side of the electrically controlled decorating module and is configured to switch between a scattering state and a transparent state. The electrically controlled decorating module includes a first polarizer, a first quarter-wave plate, a cholesteric liquid crystal layer, an electrically controlled wave plate, a second quarter-wave plate and a second polarizer, which are sequentially stacked. The electrically controlled wave plate has a liquid crystal layer. The second polarizer is disposed between the switchable scattering element and the second quarter-wave plate.

Abstract: A near-eye optical display apparatus includes an optical waveguide, an image beam source, and an electrically controlled liquid crystal cell. The image beam source is disposed on one side of a first light incident surface to provide an image beam. After being transmitted through the optical waveguide, the image beam exits from the light-exit surface. The liquid crystal cell is disposed on one side of a second light incident surface, and has a first sight region and a second sight region disposed in a first direction. When a driving voltage is supplied to the liquid crystal cell, the percentage of an average transmittance of the second sight region for an ambient beam and an average transmittance of the first sight region for the ambient beam is less than or equal to 50%. The display contrast of the near-eye optical display apparatus proposed by the invention is not easily affected by the external environment.

Abstract: The present disclosure provides a photoelectric device module including a first electrode, a photoactive layer, and a circuit module. The first electrode is opaque. The photoactive layer is disposed on the first electrode. The circuit module is disposed on the photoactive layer, in which the circuit module includes a semiconductor substrate and a second electrode, and the second electrode is disposed between the photoactive layer and the semiconductor substrate. The semiconductor substrate has a transmittance of less than 1% for light having a wavelength of less than 1000 nm and a transmittance of more than 10% for light having a wavelength of 1050 nm to 5500 nm.

Abstract: A near-eye optical display apparatus includes an optical waveguide, an image beam source, and an electrically controlled liquid crystal cell. The image beam source is disposed on one side of a first light incident surface to provide an image beam. After being transmitted through the optical waveguide, the image beam exits from the light-exit surface. The liquid crystal cell is disposed on one side of a second light incident surface, and has a first sight region and a second sight region disposed in a first direction. When a driving voltage is supplied to the liquid crystal cell, the percentage of ratio of an average transmittance of the second sight region for an ambient beam and an average transmittance of the first sight region for the ambient beam is less than or equal to 50%. The display contrast of the near-eye optical display apparatus proposed by the invention is not easily affected by the external environment.

Abstract: A backlight module includes first and second light guide plates, first and second light sources, and a first prism sheet disposed on a side of a second light-emitting surface of the second light guide plate. The first and second light sources are disposed on sides of the first and second light guide plates. The second light guide plate is disposed on a side of a first light-emitting surface of the first light guide plate. First prism structures of the first prism sheet are disposed on a substrate surface of a first substrate facing the second light-emitting surface and are arranged at intervals according a spacing width and have a first structure width in a normal direction of a second light incident surface. A ratio of the spacing width to the first structure width is less than 2. A display device including the backlight module is also provided.

Abstract: An electrically controlled anti-peeping device including a first substrate, a second substrate, a liquid crystal layer, a first electrode layer, a second electrode layer, a third electrode layer, a first polarizer, and a second polarizer is provided. The first substrate and the second substrate are arranged overlapping each other. The liquid crystal layer is disposed between the first substrate and the second substrate. The first electrode layer and the third electrode layer are disposed on the first substrate. The second electrode layer is disposed on the second substrate. The third electrode layer is located between the first electrode layer and the first substrate, and a projection region of the first electrode layer on the first substrate at least partially overlaps a projection region of the third electrode layer on the first substrate. The first polarizer and the second polarizer are arranged on the first substrate and the second substrate, respectively.

Abstract: A display apparatus including a display panel and an anti-peep module is provided. The anti-peep module is disposed on one side of a display surface of the display panel and overlaps the display surface. The anti-peep module includes a first polarizer, a first substrate, a first liquid crystal layer, a second substrate, a second polarizer, a third substrate, a second liquid crystal layer, a fourth substrate and a third polarizer sequentially arranged on the display surface of the display panel. The first polarizer is disposed between the first substrate and the display panel. The second polarizer is disposed between the second substrate and the third substrate. The third polarizer is disposed on one side of the fourth substrate facing away from the third substrate. At least two of the first substrate, the second substrate, the third substrate and the fourth substrate each have birefringence.

Abstract: A light guide plate includes a plurality of optical microstructures. The plurality of optical microstructures are disposed on a first surface of the light guide plate. An absorption layer including a plurality of first absorption units and a reflection layer including a plurality of reflection units are also provided on the light guide plate. The reflection units respectively overlap the optical microstructures. The first absorption units respectively overlap at least a part of the reflection units. The at least a part of the reflection units are located between the corresponding first absorption units and the optical microstructures. The light guide plate of the disclosure has less light leakage on a non-light emitting surface side. A light source module with the light guide plate is also proposed. The light source module of the disclosure has better light energy utilization rate and is adapted for full lamination with other functional modules.

Abstract: A resin is formed through a ring-opening reaction of dextran sulfate sodium salt and a modified polyether sulfone. The modified polyether sulfone is formed by a reaction of polyether sulfone and an epoxy compound containing a carbon-carbon double bond. The resin may serve as an adsorption material, which can be a porous film or a porous hollow fiber. The adsorption material can be in contact with blood to lower LDL-C concentration in the blood.

Abstract: The present disclosure provides a photoelectric device module including a substrate, a first reflective layer, a photoelectric conversion layer, and a second reflective layer. The first reflective layer is disposed on the substrate, in which the first reflective layer has a first reflectivity. The photoelectric conversion layer is disposed on the first reflective layer and has a thickness of greater than or equal to 135 nm. The second reflective layer is disposed on the photoelectric conversion layer, in which the second reflective layer has a second reflectivity, and the first reflectivity is greater than the second reflectivity.

Abstract: A display apparatus including a self-luminous display panel and a third polarizer, a second electrically-controlled viewing angle switching device, a second polarizer, a first electrically-controlled viewing angle switching device, and a first polarizer sequentially stacked on a display surface of the self-luminous display panel is provided. The first switching device includes a first liquid-crystal layer and first and second alignment layers. The first alignment layer is located between the first liquid-crystal layer and the first polarizer. A first absorption axis of the first polarizer is parallel or perpendicular to a first alignment direction of the first alignment layer. The second switching device includes a second liquid-crystal layer and third and fourth alignment layers. The fourth alignment layer is located between the second liquid-crystal layer and the third polarizer.

Abstract: An anti-peep module and a display apparatus including a first electrically-controlled viewing angle switching device and a first polarizer are provided. The first electrically-controlled viewing angle switching device includes a first alignment layer, a second alignment layer, a first liquid crystal layer, and first spacers. The first spacers have a first refractive index greater than a first ordinary ray refractive index and less than a first extraordinary ray refractive index of the first liquid crystal layer. When an absolute difference value between the first refractive index and the first extraordinary ray refractive index is less than 0.5, a first absorption axis of the first polarizer is perpendicular to a first alignment direction of the first alignment layer. When an absolute difference value between the first refractive index and the first ordinary ray refractive index is less than 0.5, the first absorption axis is parallel to the first alignment direction.

Abstract: An electrically controlled panel including a first electrically controlled device including first and second alignment layers and a first liquid-crystal layer disposed therebetween, a first polarizing layer, and a first compensation film disposed at a side of the first polarizing layer provided with the first electrically controlled device is provided. The first and second alignment layers have first and second alignment directions respectively. An included angle between the first and second alignment directions is between 75 degrees and 105 degrees. A phase retardation of the first liquid-crystal layer is between 400 nm and 600 nm or between 800 nm and 1200 nm. The first polarizing layer is disposed at a side of the first alignment layer away from the first liquid-crystal layer, and has a first absorption axis parallel to or perpendicular to the first alignment direction. A display apparatus adopting the electrically controlled panel is also provided.

Abstract: The disclosure provides an anti-peep module and a display device. The anti-peep module includes an anisotropic diffusion film, an electrically controlled phase retarder, and a first polarizer. The anisotropic diffusion film includes a substrate, multiple first optical microstructures, and a first liquid crystal layer. The first optical microstructures are arranged along a first direction and extend in a second direction. The first liquid crystal layer directly covers the first optical microstructures. An optical axis of the first liquid crystal layer is parallel to the second direction. A difference value of a refractive index of the first optical microstructures and one of a first refractive index and a second refractive index of the first liquid crystal layer along the first direction and the second direction respectively is greater than or equal to 0.05. A first absorption axis of the first polarizer is parallel to or perpendicular to the second direction.

Abstract: Disclosed is a display device including a front light module, a first polarizing module, and a reflective display unit. A light guide plate is located between the first polarizing module and the reflective display unit. The front light module includes a light guide plate and a light source. The light source is disposed next to a light incident surface of the light guide plate. The first polarizing module includes a first polarizer and a first quarter wave plate, where the first quarter wave plate is located between the light guide plate and the first polarizer. There is a first air gap layer between the light guide plate and the first quarter wave plate. The display device disclosed has good optical efficiency and contrast.

Abstract: An electrically controlled panel including a first electrically controlled device including first and second alignment layers and a first liquid-crystal layer disposed therebetween, a first polarizing layer, and a first compensation film disposed at a side of the first polarizing layer provided with the first electrically controlled device is provided. The first and second alignment layers have first and second alignment directions respectively. An included angle between the first and second alignment directions is between 75 degrees and 105 degrees. A phase retardation of the first liquid-crystal layer is between 400 nm and 600 nm or between 800 nm and 1200 nm. The first polarizing layer is disposed at a side of the first alignment layer away from the first liquid-crystal layer, and has a first absorption axis parallel to or perpendicular to the first alignment direction. A display apparatus adopting the electrically controlled panel is also provided.