Abstract: A backlight module includes a rear housing, a light guide plate and a light source. The rear housing includes a bottom wall and a side wall that are connected to each other; the bottom wall and the side wall enclose an accommodation cavity. The light guide plate is located in the accommodation cavity. The light source is located in the accommodation cavity and located between the side wall and a side surface of the light guide plate. The light source includes a circuit board and a plurality of light-emitting devices that are mounted on the circuit board. A surface of the circuit board away from the plurality of light-emitting devices faces the side wall, and light-emitting surfaces of the plurality of light-emitting devices face the side surface of the light guide plate.

Abstract: The present disclosure provides a light guide plate, including a light-entering surface, a light-exiting surface adjacent to the light-entering surface, and a bottom surface arranged opposite to the light-exiting surface. The light guide plate includes a central region corresponding to an active display region of a display panel and a peripheral region corresponding a non-display region of the display panel in a first direction, the peripheral region includes a first peripheral region at a side adjacent to the light-entering surface, at least the first peripheral region of the peripheral region has a thickness smaller than the central region in a second direction, the first direction is a direction in which light is propagated inside the light guide plate, and the second direction is a direction in which the light exits the light guide plate. The present disclosure further provides a backlight module and a display device.

Abstract: A backlight module includes a rear housing, a light guide plate and a light source. The rear housing includes a bottom wall and a side wall that are connected to each other; the bottom wall and the side wall enclose an accommodation cavity. The light guide plate is located in the accommodation cavity. The light source is located in the accommodation cavity and located between the side wall and a side surface of the light guide plate. The light source includes a circuit board and a plurality of light-emitting devices that are mounted on the circuit board. A surface of the circuit board away from the plurality of light-emitting devices faces the side wall, and light-emitting surfaces of the plurality of light-emitting devices face the side surface of the light guide plate.

Abstract: Provided are a display unit and a display apparatus, the display unit includes a back plate and a print circuit board disposed on the back plate, wherein the print circuit board is connected to the back plate through a screw, and is provided with a first electrostatic discharge region and a first electrostatic discharge unit; the first electrostatic discharge region is connected to the back plate through the screw to form a first electrostatic discharge channel, and the first electrostatic discharge unit is connected to the back plate to form a second electrostatic discharge channel.

Abstract: The present disclosure provides a light guide plate, including a light-entering surface, a light-exiting surface adjacent to the light-entering surface, and a bottom surface arranged opposite to the light-exiting surface. The light guide plate includes a central region corresponding to an active display region of a display panel and a peripheral region corresponding a non-display region of the display panel in a first direction, the peripheral region includes a first peripheral region at a side adjacent to the light-entering surface, at least the first peripheral region of the peripheral region has a thickness smaller than the central region in a second direction, the first direction is a direction in which light is propagated inside the light guide plate, and the second direction is a direction in which the light exits the light guide plate. The present disclosure further provides a backlight module and a display device.

Abstract: Provided are a display unit and a display apparatus, the display unit includes a back plate and a print circuit board disposed on the back plate, wherein the print circuit board is connected to the back plate through a screw, and is provided with a first electrostatic discharge region and a first electrostatic discharge unit; the first electrostatic discharge region is connected to the back plate through the screw to form a first electrostatic discharge channel, and the first electrostatic discharge unit is connected to the back plate to form a second electrostatic discharge channel.

Abstract: A method for operation of an engine including a turbocharger system is provided. The method includes adjusting turbocharger rotational acceleration or deceleration in response to one or more resonant frequencies. Additionally in some examples, the method may further include increasing turbocharger rotation in response to one or more resonant frequencies during a first condition, and increasing turbocharger deceleration in response to one or more resonant frequencies during a second condition, the second condition different from the first condition. In this way, it is possible to enhance the useful life cycle of the turbocharger and associated engine by limiting the operating time in a resonant frequency band.

Abstract: A method for responding to an existing or incipient surge condition of a turbocharger coupled to an engine of a motor vehicle is provided. The method comprises receiving a signal responsive to an operating condition of the turbocharger and adjusting one or more operating parameters of the motor vehicle when a power of the signal, integrated over a pre-selected range of non-zero frequencies, exceeds a pre-selected threshold. Other embodiments provide related systems for responding to an existing or incipient surge condition of a turbocharger.

Abstract: A method for responding to an existing or incipient surge condition of a turbocharger coupled to an engine of a motor vehicle is provided. The method comprises receiving a signal responsive to an operating condition of the turbocharger and adjusting one or more operating parameters of the motor vehicle when a power of the signal, integrated over a pre-selected range of non-zero frequencies, exceeds a pre-selected threshold. Other embodiments provide related systems for responding to an existing or incipient surge condition of a turbocharger.

Abstract: A method for operation of an engine including a turbocharger system is provided. The method includes adjusting turbocharger rotational acceleration or deceleration in response to one or more resonant frequencies. Additionally in some examples, the method may further include increasing turbocharger rotation in response to one or more resonant frequencies during a first condition, and increasing turbocharger deceleration in response to one or more resonant frequencies during a second condition, the second condition different from the first condition. In this way, it is possible to enhance the useful life cycle of the turbocharger and associated engine by limiting the operating time in a resonant frequency band.

Abstract: A method for operating a turbocharged engine includes adjusting turbocharger rotational acceleration or deceleration in response to one or more resonant frequencies. Additionally in some examples, the method may further include increasing turbocharger rotation in response to one or more resonant frequencies during a first condition, and increasing turbocharger deceleration in response to one or more resonant frequencies during a second condition, the second condition different from the first condition. In this way, it is possible to enhance the useful life cycle of the turbocharger and associated engine by limiting the operating time in a resonant frequency band.

Abstract: A method for responding to an existing or incipient surge condition of a turbocharger coupled to an engine of a motor vehicle is provided. The method comprises receiving a signal responsive to an operating condition of the turbocharger and adjusting one or more operating parameters of the motor vehicle when a power of the signal, integrated over a pre-selected range of non-zero frequencies, exceeds a pre-selected threshold. Other embodiments provide related systems for responding to an existing or incipient surge condition of a turbocharger.

Abstract: An optical film and an illuminating device having the optical film are provided. The optical film may include a first surface including a plurality of peaks and valleys formed from the plurality of peaks, a second surface opposite the first surface and a plurality of scattering patterns on the second surface. One of the scattering patterns may correspond to 3 to 6 peaks of the plurality of peaks on the first surface.

Abstract: A method for estimating the output temperature of the output compressor of a two-stage turbocharger. The method includes: storing a composite relationship relating temperature ratio across a pair of compressors of the two-stage turbocharger as a function of mass flow through such pair of compressors and pressure drop across the pair of the compressors; calculating the pressure ratio equal to the pressure at an input to the first one of the pair of compressors to the pressure at the output of the second one of the pair compressor; using the composite relationship and an output of a mass flow at the input to the first one of the pair of compressors and the calculated pressure ratio to determine the temperature ratio across the pair of compressors; and calculating the estimated output temperature of the second one of the pair of compressors by multiplying the determined temperature ratio across the pair of compressors by a temperature at the input of the first one of the pair of compressors.

Abstract: A method for operation of an engine including a turbocharger system is provided. The method includes adjusting turbocharger rotational acceleration or deceleration in response to one or more resonant frequencies. Additionally in some examples, the method may further include increasing turbocharger rotation in response to one or more resonant frequencies during a first condition, and increasing turbocharger deceleration in response to one or more resonant frequencies during a second condition, the second condition different from the first condition. In this way, it is possible to enhance the useful life cycle of the turbocharger and associated engine by limiting the operating time in a resonant frequency band.

Abstract: A method for controlling engine operation, the engine having a turbocharger coupled between an intake and exhaust manifold of the engine via a turbocharger shaft, the method comprising dynamically determining turbocharger shaft speed based at least on intake and exhaust manifold conditions using a torque balance across the turbocharger; and adjusting turbocharger boosting to adjust turbocharger shaft speed in response to said dynamically determined turbocharger shaft speed.

Abstract: A method for responding to an existing or incipient surge condition of a turbocharger coupled to an engine of a motor vehicle is provided. The method comprises receiving a signal responsive to an operating condition of the turbocharger and adjusting one or more operating parameters of the motor vehicle when a power of the signal, integrated over a pre-selected range of non-zero frequencies, exceeds a pre-selected threshold. Other embodiments provide related systems for responding to an existing or incipient surge condition of a turbocharger.

Abstract: An optical film and an illuminating device having the optical film are provided. The optical film may include a first surface including a plurality of peaks and valleys formed from the plurality of peaks, a second surface opposite the first surface and a plurality of scattering patterns on the second surface. One of the scattering patterns may correspond to 3 to 6 peaks of the plurality of peaks on the first surface.

Abstract: A method for estimating output compressor output temperature for a two-stage turbocharger. The method includes: storing a composite relationship relating temperature ratio across a pair of compressors of the two-stage turbocharger as a function of mass flow through such pair of compressors and pressure drop across the pair of the compressors; calculating the pressure ratio equal to the pressure at an input to the first one of the pair of compressors to the pressure at the output of the second one of the pair compressor; using the composite relationship and an output of a mass flow at the input to the first one of the pair of compressors and the calculated pressure ratio to determine the temperature ratio across the pair of compressors; and calculating the estimated output temperature of the second one of the pair of compressors by multiplying the determined temperature ratio across the pair of compressors by a temperature at the input of the first one of the pair of compressors.

Abstract: A method for controlling engine operation, the engine having a turbocharger coupled between an intake and exhaust manifold of the engine via a turbocharger shaft, the method comprising dynamically determining turbocharger shaft speed based at least on intake and exhaust manifold conditions using a torque balance across the turbocharger; and adjusting turbocharger boosting to adjust turbocharger shaft speed in response to said dynamically determined turbocharger shaft speed.