Abstract: The present disclosure provides a video image composition method including the following steps. A priority level list is obtained, and the priority level list includes multiple priority levels of multiple person identities. Multiple video streams are received. Multiple identity labels corresponding to human face frame images from the video streams are determined. The multiple display levels of the human face frame images are determined according to the identity labels and priority level list. A part of the human face frame images being in speaking status are detected. At least one of the part of the human face frame images being in speaking status is constituted as a main display area of a video image, according to the display levels.

Abstract: A panoramic video conference system and method are provided. The panoramic video conference system includes a panoramic video generating apparatus and a control apparatus. The control apparatus analyzes a panoramic video to identify a plurality of video objects in the panoramic video. The control apparatus selects a video object to be removed from the video objects based on a privacy mode. The control apparatus removes a video corresponding to the video object. The control apparatus generates a panoramic conference video based on the panoramic video and a background filling video.

Abstract: An ultraviolet sterilization display device includes a sterilization panel, a titanium dioxide thin film, and a light emitting diode module. The sterilization panel includes an inner surface, an outer surface and a light incident surface. The titanium dioxide thin film is formed on the inner surface of the sterilization panel. The light emitting diode module is aligned with the light incident surface of the sterilization panel, and the light emitting diode module includes a plurality of ultraviolet light emitting diodes. In addition, a sterilization process of an ultraviolet sterilization display device is also disclosed herein.

Abstract: A conference system, including a remote device and a local device, is disclosed. The remote device includes a voice broadcasting element. The local device includes several image capture elements and a processor. When the remote device is communicatively connected through an internet to the local device, several image capture elements obtain a number of people present in a local environment of the local device. The processor, coupled to several image capture elements, generates a voice message according to the number of people present, and the processor transmits the voice message to the remote device, so that the voice broadcasting element of the remote device plays the voice message.

Abstract: A camera lifting structure includes a rail bracket, two fixing portions, two elastic elements, two sliding portions, two connecting rods and a camera module. The rail bracket extends along a first direction. The fixing portions are disposed on two ends of the rail bracket. The elastic elements locate between the fixing portions. Each elastic element has a first end and a second end. Each first end connects with the corresponding fixing portion. The sliding portions respectively connect with the corresponding second end and are configured to slide along the first direction relative to the rail bracket. Each connecting rod has a third end and a fourth end. Each third end is pivotally connected with the corresponding sliding portion. The camera module pivotally connects with the fourth ends and is configured to move relative to the rail bracket along a second direction perpendicular to the first direction.

Abstract: A display device is disclosed. The display device includes a display panel, a backlight module, and a processor. The display panel displays a display screen. The backlight module provides a backlight brightness to the display panel. The processor generates the display screen and determines the backlight brightness corresponding to the display screen. The processor dynamically adjusts a size and a position of several display areas on the display screen based on an instant state of the continuous image signal respectively. The processor determines several backlight areas corresponding to several display areas respectively, and the processor generates several backlight control signals corresponding to several backlight areas respectively based on the display setting and several image contents.

Abstract: The present disclosure provides an operation method of a smart speaker. The method includes steps as follows. The linked settings among voiceprint registration data, user information and a cast setting of a user device are preloaded by the smart speaker. Wake-up words are received to set an operation mode of the smart speaker and to generate a voiceprint recognition result. In the operation mode, after receiving voice, the voice is converted into voice text and the voiceprint recognition result is compared to voiceprint registration data. When the voiceprint recognition result matches the voiceprint registration data, the user information and the voice text are transmitted to a cloud server, so that the cloud server returns the response message to the smart speaker. According to the cast setting, the response message is sent to the user device.

Abstract: A backlight module includes a housing, a light source, at least one supporting member, a diffuser plate, and an optical film. The housing includes a backplate portion, a sidewall portion, and a panel mounting platform. The sidewall portion is arranged along a periphery of the backplate portion. The panel mounting platform is connected and bent relative to the sidewall portion, such that the panel mounting platform, the sidewall portion, and the backplate portion form a concavity. The light source is disposed on the backplate portion. The supporting member is disposed in the housing and at least partially located in the concavity. The optical film and the diffuser plate are stacked on the supporting member. The supporting member has a reflective incline structure that is configured to directly reflect light traveling towards an inner side surface of the housing towards the diffuser plate.

Abstract: A display device and its back light module and support column are disclosed. A display device includes a display panel and a back light module. The back light module includes a bottom casing, a plurality of light-emitting components located within the bottom casing and a plurality of support columns located within the bottom casing. Each support column is positioned between adjacent ones of the light-emitting components. Each support column includes a tapered member and a plurality of light-guide members. The tapered member includes at least two opposite surfaces, and the light-guide members are arranged on at least one of the two opposite surfaces, and each light-guide member protrudes from a corresponding one of the two opposite surfaces.

Abstract: The present invention provides a smart interactive display device, a smart interactive display system, and an interactive display method thereof. The method comprises steps of: a sensing device sensing a body signal emitted by a human body, outputting a sensing signal correspondingly, and transmitting the sensing signal to a control unit; the control unit driving an image extraction unit to start according to the sensing signal for extracting an image and uploading the image to an artificial intelligence unit; the control unit obtaining a corresponding message corresponding to an analysis result produced by the artificial intelligence unit by analyzing the image; and the control unit outputting an assigned information content assigned by the corresponding message to the display device for playing. By enabling interaction with users, the smart interactive display system can be more friendly to users.

Abstract: A backlight module includes a housing, a diffuser plate, an optical film, a holder and a light source. The housing has a groove. The groove is arranged along a periphery of the housing. The diffuser plate is disposed in the housing and has an edge located in the groove. The optical film is disposed on the diffuser plate and has a thru-hole. The holder is disposed in the groove of the housing and includes a holding portion and a hanging portion. The holding portion engages the edge of the diffuser plate. The hanging portion is connected to the holding portion and extends through the thru-hole of the optical film. The light source is disposed in the housing.

Abstract: A light emitting diode device is provided and includes a first light emitting diode(LED) package emitting light to generate a first brightness. The first LED package includes a first diode being driven in response to a pulse width modulation (PWM) current to generate a first portion of the first brightness and a second diode being driven in response to a first direct current (DC) current to generate a second portion of the first brightness. In a first operation mode of the LED device, the first diode and the second diode are enabled to make the first brightness to reach a first value. In a second operation mode, different from the first operation mode, of the LED device, the second diode is disabled to reduce the brightness from the first value to a second value.

Abstract: A backlight module of a display device includes a carrier, a plurality of light-emitting diode chips and a first diffuser. The light-emitting diode chips are arranged on the carrier. The first diffuser is over the carrier and the light-emitting diode chips. The first diffuser includes a first substrate, a first prismatic structure and a plurality of first ink structures. The first substrate has an upper surface distal from the carrier. The first prismatic structure is at the upper surface of the first substrate. The first prismatic structure includes a first prismatic sub-structure and a second prismatic sub-structure, and the first prismatic sub-structure, the second prismatic sub-structure and the upper surface of the first substrate together define a gap. The first ink structures are in the gap and are in contact with the upper surface of the first substrate.

Abstract: The present disclosure relates to a detection system including a control circuit, a power line network bridge circuit, a fixture device and a detection device. The control circuit is configured to generate a plurality of detection signals. The power line network bridge circuit receives detection signals through a power line. The fixture device is electrically connected to the power line through the power line network bridge, and is configured to receive the detection signals. The fixture device is configured to transmit the detection signals to a device under test, so that the device under test displays a plurality of media. The detection device is configured to capture the media and transmit the media to the control circuit. The control circuit is further configured to determine whether the media match with detection parameters.

Abstract: A display device including a display panel, an image capture element, and a processor is disclosed. The display panel displays a display screen, and to display an on screen display on the display screen. The image capture element captures an image. The processor analyzes the image to obtain an operator location information of an operator of the image and performs a face recognition operation corresponding to the operator, performs an eye recognition operation corresponding to the operator to obtain an operator eye information of the operator, and determines a display position and a display size of the on screen display on the display screen according to the operator location information and the operator eye information. The display panel displays the on screen display on the display screen according to the display position and the display size.

Abstract: An emotion detecting device includes a memory, a processor and an output/input device. An emotion template with a plurality of emotional statuses is stored in the memory. The processor is configured to receive characteristic values transformed from brain waves of a pet and determine whether the brain waves correspond to a stable state based on variation of the characteristic values during a period. When it is determined that the brain waves correspond to the stable state, the processor determines whether the brain waves match some emotional status among the emotional statuses. When the brain waves match the emotional status, the output/input device outputs information regarding the pet being in the emotional status. When the brain waves do not match any of the emotional statuses in the emotion template, the processor updates the emotion template based on a confirm operation and the characteristic values.

Abstract: A method for measuring temperature is used to obtain a room temperature of a room. The method for measuring temperature includes: obtaining a first temperature inside an operating area in a portable electronic device in the room; obtaining a second temperature outside the operating area in the portable electronic device by a first temperature sensor; calculating a temperature difference between the first temperature and the second temperature; obtaining a compensation temperature according to the temperature difference and a compensation temperature table; and calculating the room temperature according to the second temperature and the compensation temperature.

Abstract: A conference room intelligent management method, executing a self-inspecting process before a conference starts The self-inspecting process is configured to automatically detect a camera device, a radio device, a speaker and a lighting device arranged in the conference room, and has operations comprising: controlling the camera device to capture a testing image corresponding to a self-inspecting image; determining whether the camera device is abnormal, and generating a abnormal testing signal when determining the camera device is abnormal; controlling the speaker to receive a sampling audio signal corresponding to the self-inspecting audio signal; determining whether the speaker is abnormal, and generating the abnormal testing signal when determining the speaker is abnormal; and transmitting the abnormal testing signal to an electronic device to notify, and removing an abnormal situation of the conference room device before the conference starts.

Abstract: A resonant testing system for testing a device under test, including a processing circuit, a microphone array and a camera is disclosed. The processing circuit generates a scanning frequency signal and transmits the scanning frequency signal to the device under test, which plays sound based on the scanning frequency signal. The microphone array includes several microphones, each of the microphones receives the sound played by the device under test, and the microphone array outputs several audio signals corresponding to the microphones. The camera captures a real time image signal of the device under test, and transmits the real time image signal to the processing circuit. The processing circuit computes resonant positions and resonant levels according to the audio signals, and combines the resonant positions, the resonant levels and the real time image signal to generate a real time resonant result. A resonance testing method is disclosed.

Abstract: An automatic test method for testing functions of a device under test is disclosed. The automatic test method includes the following operations. A sample video is generated based on first sample photos and at least one second sample photo by a processor. The sample video is displayed by the device under test and test photos are generated based on the content of the displayed sample video captured by a camera. The first sample photos are compared with the test photos to generate a display compared result. A display error message or a display pass message is generated based on the display compared result by the processor, configured to indicate that whether a display function of the device under test is dysfunctional.