Abstract: The present disclosure relates to a display device, a door body and a cabinet body. The display device includes: an information collecting assembly configured to collect environment information; a communication module configured to perform wireless-communication linking to an Internet-of-Things device, to transmit the environment information to the Internet-of-Things device, and receive multimedia information sent by the Internet-of-Things device; and a display module configured to display the multimedia information, wherein the multimedia information includes audio-video advertisement information.

Abstract: The present disclosure provides a display module and a medical spliced display system. The display module includes: a display panel; a back plate including a bottom wall and a side frame connected to each other to define an accommodating space; and a frame including a retaining wall and a supporting platform and an insert on the retaining wall; at least a portion of the retaining wall surrounds the side frame; the supporting platform extends toward the inside of the accommodating space for supporting the display panel; the insert is on a side of the side frame facing the accommodating space, to embed the side frame between the retaining wall and the insert.

Abstract: A display device is provided. The display device includes: a first protective cover plate, a second protective cover plate, a first bonding layer, and a display panel; wherein the first bonding layer is disposed between the first protective cover plate and the second protective cover plate and is bonded to the first protective cover plate and the second protective cover plate; and the display panel is disposed on one side of the second protective cover plate distal to the first protective cover plate, and a light-emergent side of the display panel faces the second protective cover plate; wherein a thickness of the first protective cover plate is greater than a thickness of the second protective cover plate.

Abstract: The present disclosure provides a voice interaction system, a voice interaction method, and a smart device. The system includes: a voice interaction unit, a photoelectric sensing unit, and an instruction control unit configured to determine whether the voice interaction unit is in an on state, determine, when the voice interaction unit is in the on state, whether the voice interaction unit receives a target voice instruction within a predetermined time; control, when the target voice instruction is received within the predetermined time, a smart device to perform an action corresponding to the target voice instruction according to the target voice instruction of the user received and identified by the voice interaction unit; and send, when the voice instruction is not received within the predetermined time, a standby instruction to the voice interaction unit.

Abstract: The present disclosure provides a display module having: a supporting intermediate frame and a transparent cover plate, wherein the supporting intermediate frame comprises a main plate portion extending in a direction the same as the transparent cover plate and a supporting lateral edge disposed to surround the main plate portion, and the supporting intermediate frame and the transparent cover plate form a first accommodation space; a display unit disposed in the first accommodation space; and a control board disposed at a side of the main plate portion away from the display unit, wherein the control board is electrically connected to the display unit to transmit a display signal to the display unit; wherein the supporting intermediate frame further has at least one fixing portion disposed at a side of the main plate portion away from the display unit for fixing the control board.

Abstract: A backlight module includes a backlight source and a backlight driving unit. The backlight source includes a white-light source and a compensating light source. The backlight driving unit includes a primary driving module and a compensating driving module. The primary driving module, within a compensation time duration, according to a current environmental temperature, selects a compensation-driving function corresponding to the current environmental temperature; and according to the selected compensation-driving function, supplies a compensation controlling signal to the compensating driving module. The compensating driving module acquires the compensation controlling signal, and according to the compensation controlling signal, supplies a driving signal to the compensating light source.

Abstract: A time-of-flight camera module and a display device are provided. The time-of-flight module includes: a first carrier board, a second carrier board, a structure support, an infrared laser emission unit, a lens and a time-of-flight sensor. The first carrier board, the structure support and the second carrier board are stacked, and the first carrier board and the second carrier board are fixed on both sides of the structure support, respectively. The infrared laser emission unit is arranged on a side of the first carrier board away from the structure support, and the first carrier board includes a lens via hole located on a side of the infrared laser emission unit, the structure support includes a support via hole corresponding to the lens via hole, and the lens passes through the support via hole. The time-of-flight sensor is arranged on the second carrier board and is configured to sense infrared light collected by the lens to generate depth information.

Abstract: The present disclosure relates to a display device with an outer contour of a polygon. The display device includes: a display panel; a functional panel on a side of a light exiting surface of the display panel; a first circuit board electrically connected to the display panel and bent at a first edge of the polygon to a side of the display panel away from the light exiting surface of the display panel; and a second circuit board electrically connected to the functional panel and bent at a second edge of the polygon to the side of the display panel away from the light exiting surface of the display panel, wherein the first edge and the second edge are different edges, and an orthographic projection of the first circuit board on the light exiting surface of the display panel does not overlap with an orthographic projection of the second circuit board on the light exiting surface of the display panel.

Abstract: A display panel includes: a liquid crystal cell; an optical layer configured to transmit part of light incident onto the optical layer whose polarization direction is parallel to a transmission axis of the optical layer, and reflect a remaining part of the light incident onto the optical layer; a first polarization structure configured to transmit part of light incident onto the first polarization structure whose polarization direction is parallel to a transmission axis of the first polarization structure, and absorb a remaining part of the light incident onto the first polarization structure; and a second polarization structure configured to transmit part of light incident onto the second polarization structure whose polarization direction is parallel to a transmission axis of the second polarization structure, and absorb a remaining part of the light incident onto the second polarization structure.

Abstract: A display panel includes: a liquid crystal cell; an optical layer configured to transmit part of light incident onto the optical layer whose polarization direction is parallel to a transmission axis of the optical layer, and reflect a remaining part of the light incident onto the optical layer; a first polarization structure configured to transmit part of light incident onto the first polarization structure whose polarization direction is parallel to a transmission axis of the first polarization structure, and absorb a remaining part of the light incident onto the first polarization structure; and a second polarization structure configured to transmit part of light incident onto the second polarization structure whose polarization direction is parallel to a transmission axis of the second polarization structure, and absorb a remaining part of the light incident onto the second polarization structure.

Abstract: A display defect detection method, includes: collecting at least one display image of at least one display to be detected; extracting a plurality of band-limited intrinsic mode function components from a display image in the at least one display image by using a complex variational mode decomposition method; extracting and fusing the plurality of band-limited intrinsic mode function components of the display image by using a convolutional neural network, so as to obtain an average brightness value and a brightness uniformity of the display image; and determining whether a display to be detected in the at least one display to be detected corresponding to the display image is qualified according to a preset classification rule and the average brightness value and the brightness uniformity of the display image.