Abstract: Embodiments of the present disclosure disclose a flexible printed circuit, a light bar, a backlight module and a liquid crystal display device. The flexible printed circuit includes a substrate and a plurality of groups of LED pads located on the substrate, wherein each group of the LED pads is configured to mount one LED lamp bead, each group of the LED pads includes a first pad, a second pad and a third pad, the firs pad, the second pad and the third pad are arranged sequentially in a first direction, the first pad and the second pad both receive a first voltage signal, the third pad receives a second voltage signal, and the first voltage signal is different from the second voltage signal.

Abstract: A privacy protection film, a manufacturing method thereof, a backlight module, and a display device are provided. The privacy protection film includes a substrate, a light incident surface of the substrate is provided with a reflective layer, light transmission holes are provided on the reflective layer; a light exiting surface of the substrate is provided with a micro-lens array; each of the light transmission holes corresponds to at least one micro-lens in the micro-lens array; and the micro-lens is configured to control an exiting direction of light exiting from the light exiting surface of the substrate to remain unchanged; or, the micro-lens is configured to control an exiting direction of the light exiting from the light exiting surface of the substrate to be deflected toward a direction of an axis of the micro-lens.

Abstract: A backlight source module and a display device are provided. The backlight source module includes a back plate structure and a rubber member. The back plate structure includes a bottom plate, and a first side plate and a second side plate respectively connected with the bottom plate, and the first side plate and the second side plate oppose each other. A light-emitting portion, a light-guiding component and the rubber member are sequentially disposed on the bottom plate along a first direction pointing from the first side plate to the second side plate. The rubber member is only disposed at the second side plate.

Abstract: A plant cultivation device and a plant cultivation method are disclosed. The plant cultivation device includes: a holder including at least one plant cultivation layer; a lighting unit disposed in the at least one plant cultivation layer to allow light emitted from the lighting unit to irradiate a plant cultivated in the plant cultivation layer; an illuminance detecting unit configured to detect an illuminance in the plant cultivation layer to obtain an illuminance measurement; and a control unit configured to obtain the illuminance measurement and adjust a lighting intensity of the lighting unit according to the illuminance measurement.

Abstract: A plant planting device and a plant planting method. The plant planting device includes at least one plant growing tank, the at least one plant growing tank includes a tank body and a tilt member which is obliquely provided at a bottom of the tank body, configured to support a plant and includes at least one flow guiding element provided on the tilt member; the at least one flow guiding element is arranged to guide liquid for growing the plant to flow from an end to an other end of the tilt member, and the end and the other end of the tilt member are relatively tilted with each other.

Abstract: The present disclosure provides a light-emitting diode, a method for manufacturing the same, a backlight source and a display device. The light-emitting diode includes a support having a bottom wall, a light-emitting chip on the support, and a die bonding structure. A through hole is provided in the bottom wall. At least a portion of the die bonding structure is located in the through hole. The light-emitting chip is attached to the bottom wall through the die bonding structure.

Abstract: The present disclosure provides a display panel and a display device. The display panel is provided with a plurality of sub-pixels, the display panel including: a first substrate and a second substrate opposite to each other, and multistable liquid crystals between the first substrate and the second substrate; wherein, each of the sub-pixels is provided with a first electrode and a second electrode to generate an electric field for the multistable liquid crystals, and the multistable liquid crystals have different optical properties under different electric fields and after an electric field disappears, the multistable liquid crystals can maintain the same optical properties as the electric field exists. The present disclosure also provides a display device, including: the above mentioned display panel.

Abstract: A massage glove and a vehicle-mounted massage device are provided. The massage glove includes a glove body, at least one acupuncture point massager and a controller. The acupuncture point massager is arranged on the glove body at a position corresponding to an acupuncture point on a hand. The acupuncture point massager is configured to massage the acupuncture point so as to relieve a physical fatigue of a user. The controller is configured to output a control signal to the acupuncture point massager, so as to enable the acupuncture point massager in accordance with the control signal.

Abstract: A light guide structure, a manufacturing method of the light guide structure, a module and a display device are provided. The light guide structure includes: at least two light guide layers; and a plurality of dot structures between adjacent ones of the light guide layers.

Abstract: A reflective pixel unit, a reflective display panel and a display apparatus are disclosed. The reflective pixel unit includes a substrate, a reflective plate on the substrate, and a reflective filter layer on a side of the reflective plate facing away from the substrate. The reflective filter layer is configured such that a surface of the reflective filter layer facing away from the reflective plate receives visible light and reflects a part of light having wavelengths within a specific range in the visible light, and allows another part of the light having wavelengths within the specific range to pass through the reflective filter layer to the reflective plate. The reflective plate is configured to reflect the another part of the light having wavelengths within the specific range passed through the reflective filter layer.

Abstract: A massage glove and a vehicle-mounted massage device are provided. The massage glove includes a glove body, at least one acupuncture point massager and a controller. The acupuncture point massager is arranged on the glove body at a position corresponding to an acupuncture point on a hand. The acupuncture point massager is configured to massage the acupuncture point so as to relieve a physical fatigue of a user. The controller is configured to output a control signal to the acupuncture point massager, so as to enable the acupuncture point massager in accordance with the control signal.

Abstract: The present application relates to a light emitting diode, a light emitting device, and a display device. The light emitting device includes a light emitting diode and a substrate; the substrate is coated with a bonding substance; the light emitting diode is provided with a positive electrode pad and a negative electrode pad; the surface of the positive electrode pad and/or the negative electrode pad is provided with a plurality of protrusions which are embedded in the bonding substance; and the positive electrode pads and the negative electrode pads are fixed to the substrate through the bonding substance. The embodiment of the present application provides projections on the pad of the light emitting diode, avoids the need of increasing the area of the pad, increases the contact area between the pad and the solder with the constant pad area, improves the bonding stability between the light emitting diode and the substrate, and reduces the production cost.

Abstract: The present disclosure provides a light guide plate assembly, a backlight source and a display device. The light guide plate assembly includes at least two light guide plates that are stacked on each other. Refractive indexes of the light guide plates are monotonously changed in a stacking direction of the light guide plates. One side of each light guide plate is provided with a refraction cavity. The refraction cavities of adjacent two light guide plates are disposed in two sides of the light guide plate assembly in a staggered manner. A light scattering layer is disposed at an inner wall that encloses the refraction cavity of each light guide plate.

Abstract: The present disclosure is mainly related to a backlight detection device. The backlight detection device may comprise a film-pressing device and a vacuum equipment. The film-pressing device may be configured to place a film on a surface of a backlight. The vacuum equipment may be configured to evacuate a gap between the film and the surface of the backlight so that the film generates a pressure on the surface of the backlight.

Abstract: A parking navigation method, device and system are provided. The parking navigation method comprises: acquiring initial location information of a vehicle; acquiring a target planned path based on a preset rule according to the initial location information and target parking location information; and sequentially turning on lighting devices on the target planned path, to guide the vehicle to travel to a target parking location.

Abstract: A fresh lamp, which includes: an LED module, and a driving power supply connected to the LED module which includes a bright-dark control circuit; wherein the bright-dark control circuit includes a programmable circuit, the programmable circuit being configured to program product information into binary codes; wherein the bright-dark control circuit is configured to switch on the driving power supply according to one of the numbers “1” and “0” in the binary codes and switch off the driving power supply according to the other one of the numbers “1” and “0” in the binary codes so that the LED module emits light signals alternating with brightness and darkness to form light emission information corresponding to the product information.

Abstract: A portable irradiation device is disclosed including: a hollow squeezing part operable to squeeze air therein out; a sucker having a first end opening portion and a second end opening portion, the first end opening portion being hermetically connected with the squeezing part, the second end opening portion being attachable to a human body by means of a difference in air pressure between inside and outside the sucker; and a blue light irradiation unit located in a space surrounded by the squeezing part, the sucker, or the squeezing part and the sucker. Also disclosed is a method for manufacturing a portable irradiation device.

Abstract: Embodiments of the present application provides a prism film, a light guide plate, a backlight module and a display apparatus. The prism film includes a sheet and an array of prisms arranged on a side of the sheet and vertex angles of the prisms in the array increase or decrease in magnitude sequentially from one end of the array of prisms to the other end of the array opposite to the one end.

Abstract: An injection mold and a device for preparation of a light guide plate are provided by embodiments of the present disclosure. An injection mold, comprising a male mold and a female mold which cooperate with each other to define collectively a molding cavity adapted for molding a sheet component therein; a blowing device is provided in the male mold and configured to blow out gas with a predetermined pressure towards a bottom surface of the sheet component molded in the molding cavity to overcome at least partially a vacuum adsorption force between the bottom surface of the sheet component and an internal bottom surface of the molding cavity such that the sheet component is separated from the male mold. Therefore, the sheet component can be demoulded successfully and prevented from a relatively large warping deformation during a demoulding process such that the quality thereof can be guaranteed.

Abstract: A backlight assembly includes: a frame with at least one support bar configured to support a display panel; a light guide plate with at least one support portion protruding from at least one side of the light guide plate; and a film assembly including an optical film between the at least one support bar and the light guide plate, wherein the optical film is provided with at least one flange protruding from at least one side of the optical film assembly and over the at least one support portion on a surface of the at least one support portion facing the at least one support bar.