Boe Technology Group Co., Ltd.

Boe Technology Groupco., Ltd.

Masakazu Okamura

Tianyue Zhao

Lihua Geng

Enhui Guan

Xian Wang

Jianbo Xian

Jifeng Tan

Xinshe Yin

Ran Duan

Shuo Chen

Wei Deng

Yanfu Li

Xianzhen Li

Kailiang Zhang

Zhigang Zhou

Tianxiao Zhao

Zhichao Li

Weiqing Guo

Donglei Mu

A color modulation method for a display includes: obtaining a group of original RGB data of a pixel of an image; calling a display look-up-table (LUT) to determine whether a group of RGB mapped data corresponding to the group of original RGB data is present in the display LUT; if in, performing color modulation using the group of RGB mapped data corresponding to the group of original RGB data; and if not in, using the group of original RGB data, a plurality of groups of selected RGB data, and a group of RGB mapped data corresponding to each group of selected RGB data in combination with a predetermined interpolation algorithm to calculate the group of RGB mapped data corresponding to the group of original RGB data, and then using the obtained group of RGB mapped data to perform the color modulation.

Color modulation method and apparatus for display, electronic device, and storage medium

Provided is a method for displaying an image including: acquiring a to-be-displayed image; correcting the to-be-displayed image based on a target look-up table, wherein in the target look-up table, at least one of the original pixel values and a corresponding corrected pixel value satisfy: an absolute value of a difference between a first chroma and a second chroma is less than or equal to a chroma difference threshold, wherein the first chroma is a chroma of a first pixel, a pixel value of the first pixel being acquired by converting the original pixel value, and the second chroma is a chroma of a second pixel displayed by the display device, a pixel value of the second pixel being acquired by converting the corrected pixel value; and displaying a corrected to-be-displayed image.

Method and system for displaying corrected image, and display device

The present disclosure relates to a charging system, a foreign object detection method and component, and a charging control method and device, which belong to the wireless technical field. The foreign object detection method includes receiving a voltage value and a current value of the transmitting coil, and determining a mutual inductance value of the transmitting coil according to the voltage value and the current value of the transmitting coil; receiving a voltage value and a current value of the receiving coil, and determining a mutual inductance value of the receiving coil according to the voltage value and the current value of the receiving coil; and determining whether there is a conductor foreign object between the receiving coil and the transmitting coil according to the mutual inductance value of the transmitting coil and the mutual inductance value of the receiving coil.

Charging system, foreign object detection method and component, charging control method and device

Exemplary embodiments of the present disclosure provide a monitoring system and method, the system comprising at least one pair of first sensing devices disposed on an outside and inside of a bathroom door, an information acquisition module, a central control module, and an alarm module, wherein the information acquisition module controls the first sensing devices to acquire first data and transmits the acquired first data to the central control module, the central control module determines whether to generate a first alarm signal and/or second alarm signal based on the acquired first data, and transmits the generated first alarm signal and/or a second alarm signal to the alarm module. Thus, the system can be informed timely of the health status of an old person living alone according to the use situation of the bathroom, and also the privacy of the old person can be protected effectively.

Monitoring system and method

A backlight brightness control method and a backlight brightness control device are provided. The backlight brightness control method includes: acquiring a luminous brightness value of a display panel; determining a relationship between the luminous brightness value and a preset brightness value by a brightness control circuit; transmitting an adjusted current value to a backlight driver module according to the relationship by the brightness control circuit; and generating a current having the adjusted current value by the backlight driver module to drive a backlight module in the display panel to emit light.

Backlight brightness control method and device

Provided are a transformer and a power supply board including the transformer, the transformer includes: a power supply circuit, wherein the power supply circuit includes a power supply antenna and the power supply circuit is configured to transmit electric power through the power supply antenna; and a power receiving circuit, wherein the power receiving circuit includes a power receiving antenna and the power receiving circuit is configured to receive the electric power transmitted by the power supply antenna through the power receiving antenna. The transformer uses the principle of resonance wireless charging so as to improve the working frequency of the transformer, decrease the volume and weight of the transformer, save a magnetic core, and decrease or eliminate the magnetic core loss.

Transformer and power supply board

System and method for item management are provided. The system includes storage compartments, a scanner on each storage compartment, a memory, and at least one processor. Each scanner is configured to scan an identification code on an item that is picked up from and placed down in the storage compartment. The processor is coupled to the scanner and the memory. The processor is configured to: decode an identification code on an item scanned by one scanner; generate decoding information for the identification code upon a successful decoding; determine an operation type of the item based on the scanning of the identification code on the item; obtain item location information for the identification code, based on the one scanner for the identification code; and update item management information according to the decoding information, the item location information, and the operation type of the item for the identification code.

System and method for item management

The present disclosure discloses a standby control circuit and an operating method thereof, and a playing apparatus. The standby control circuit includes a controller and a standby power supply, the controller is configured to transmit a power-on signal to enable the playing apparatus to enter into a power-on state, the controller is further configured to transmit a standby signal to enable the playing apparatus to enter into a standby state, and the standby power supply is configured to supply power to a micro control unit of the playing apparatus under the condition that the playing apparatus is in the power-on state and stop supplying power to the micro control unit of the playing apparatus under the condition that the playing apparatus is in the standby state.

Standby control circuit and operating method thereof, playing apparatus

Provided are a boosting unit, a DC-DC converter including the boosting unit, and an electric vehicle. The DC-DC converter includes: a switch connected to an input voltage; a main diode connected to the switch; a regulating capacitor, a first terminal of the regulating capacitor being connected in series with the main diode, a second terminal of the regulating capacitor being connected to the input voltage, and the first terminal and the second terminal of the regulating capacitor serving as output terminals of the DC-DC converter; and a boosting unit, the boosting unit comprising a first inductor, a second inductor, a boosting capacitor, a first unidirectional conducting device, a second unidirectional conducting device, a third unidirectional conducting device and a fourth unidirectional conducting device. According to the embodiments of the present disclosure, voltage gain can be increased by replacing inductors in the ordinary DC-DC converter with the boosting unit.

DC-DC converter, boosting unit, electric vehicle and battery backup system

A body surface thermometer and a wearable temperature measuring device are disclosed. The body surface thermometer includes an infrared temperature sensor and a shielding protective hood disposed outside the infrared temperature sensor, and the shielding protective hood is an infrared ray shielding protective hood. With the body surface thermometer, the measuring precision of surface temperature of a target object can be promoted, thereby raising the freedom degree of test.

Body surface thermometer and wearable temperature measuring device

The present disclosure provides a discharging circuit, a power supply, and a display device for a rapid discharging, without causing any inconveniences to a user. The discharging circuit comprises a controlling section and a discharging section, wherein a controlling section is connected to a control voltage inputting terminal and a control node, and configured to adjust a voltage at the control node, under the control of a control voltage inputted from the control voltage inputting terminal; and a discharging section is connected to the control node, a first level terminal and a discharge voltage inputting terminal, and configured to conduct a connection between the discharge voltage inputting terminal and the first level terminal, under the control of the voltage at the control node, so as to discharge the discharge voltage inputting terminal through the first level terminal. Embodiments of the present disclosure may be used in the manufacture of display devices.

Discharging circuit, power supply and display device

An AC-DC converter, power supply board and display apparatus is disclosed. The AC-DC converter comprises: an AC-DC converting circuit; a transformer, whose primary coil has a first terminal coupled to a positive output terminal of the AC-DC converting circuit, and second terminal connected to a load; a voltage monitoring circuit, whose input terminal is coupled to the first terminal of the secondary coil, and second terminal of the secondary coil connected to a ground; and a control circuit, whose input terminal is coupled to an output terminal of the voltage monitoring circuit, and output terminal coupled to the AC-DC converting circuit; wherein the voltage monitoring circuit outputs a control voltage when a voltage outputted by the first terminal of the secondary coil of the transformer exceeds a first threshold; the control circuit controls the AC-DC converting circuit to stop providing power supply when the control voltage exceeds a second threshold.

Alternating current-direct current converter, power supply board and display apparatus

There are provided an image signal receiving apparatus, a method for setting a receiving channel of the image signal receiving apparatus, and a display apparatus. The method for setting the receiving channel comprises: storing () map information in the image signal receiving apparatus, wherein the map information comprises correspondence relationship between a transmitting channel and the receiving channel at each of different geographical positions; automatically determining () a geographical position where the image signal receiving apparatus is located; inquiring () the correspondence relationship between the transmitting channel and the receiving channel according to the geographical position where the image signal receiving apparatus is located; and setting () the receiving channel of the image signal receiving apparatus according to result of the inquiry. In the image signal receiving apparatus and the method for setting the receiving channel of the image signal receiving apparatus, a geographical position, where the image signal receiving apparatus is located, is determined automatically by a positioning module without inputting the geographical position where the image signal receiving apparatus is located manually, such that setting of the receiving channel of the image signal receiving apparatus after it moves in geographical position becomes more convenient, the troublesome manual setting is removed, and efficiency of the setting for the receiving channel is also improved.

Image signal receiving apparatus, method for setting receiving channel thereof, and display apparatus

A danger alerting device, a danger alerting method for a portable electronic apparatus and a portable electronic apparatus are provided. The method includes: detecting whether a holder of the portable electronic apparatus is in a potential danger status; in case that the holder of the portable electronic apparatus is in the potential danger status, comparing a time duration data T for which the holder is in the potential danger status with a preset time duration data T0; and alerting the holder to danger in case that the time duration data T is greater than or equal to the preset time duration data T0. The danger alerting device and method can effectively prevent a holder from encountering danger while using a portable electronic apparatus during walking, and significantly reduce the probability of danger.

Growing community of inventors

Beijing, China

Masakazu Okamura