Backlight source and display device

The invention relates to the technical field of display, and discloses a backlight source and a display device. A rigid element is arranged between a light bar of the backlight source and an incident plane of a light guide plate; one end of the rigid element is fixedly arranged on the light bar, and the other end of the rigid element is fixedly arranged on the light guide plate, so that the distance between the light bar and the incident plane of the light guide plate can be kept fixed, and the light incidence efficiency of the backlight source is guaranteed. An elastic element is arranged between the light bar and a back panel and is positioned on the side, opposite to the incident plane of the light guide plate, of the light bar; when the light guide plate has thermal deformation, the deformation force of the light guide plate passes through the rigid element to push the light bar to compress the elastic element, and the compression deformation of the elastic element provides thermal ...

Integrated tool for girdling and chamfering outer semi-conductive layer of cable

The invention provides a cable outer semi-conductive layer girdling and chamfering integrated tool which comprises an arc hook, a supporting block, a girdling knife and a blade, an arc hook handle is arranged at the tail end of the arc hook, the supporting block is fixedly connected to the side face of the arc hook handle, and the girdling knife and the blade are arranged at the lower end of the supporting block. And a cable is clamped between the arc-shaped hook and the lower end of the supporting block, and stripping, cutting and chamfering of the annular cutter and the blade on the clamped cable are realized through rotation of the arc-shaped hook and the lower end of the supporting block. According to the invention, the arc-shaped hook correspondingly matched with the cable is arranged, the side surface of the handle of the arc-shaped hook is fixedly connected with the supporting block, and the lower end of the supporting block is provided with the girdling knife and the blade which ...

Water-gathering co-well layering co-charging process tubular column

The invention relates to a water-gathering co-well layering co-charging process tubular column, which mainly solves the problem that the oil field injection well exploitation way of the existing oil field process tubular column severely influences the yield of the oil field and is violently subjected to the influence of the thickness of an isolation layer. The water-gathering co-well layering co-charging process tubular column is characterized in that an annular space between a casing pipe (1) and an outer layer oil pipe (2) is divided by a plurality of washable well-passing cable packers (10) into different positions, an inner layer oil pipe (3) is arranged inside the outer layer oil pipe (2), the an insertion sealing device (5) is arranged between the bottom end of the inner layer oil pipe (3) and the outer layer oil pipe (2), an eccentric injector (4) is arranged in the position on the upper part of the insertion sealing device (5), and an eccentric water allocator (6) is arranged in ...

Spectral calorific value analyzer

The invention relates to the field of calorific value analysis equipment, and discloses a spectrum calorific value analyzer which comprises a spectrum calorific value detection module and a control module, the spectrum calorific value detection module comprises a collection end and a spectrum detection assembly, and the collection end is connected into a pipeline of gas to be detected in a sealed mode; the input end is used for collecting to-be-detected gas in real time and conveying the to-be-detected gas to the spectrum detection assembly; the spectrum detection assembly sequentially changes spectrum filtering states, irradiates the to-be-detected gas collected by the collection end, and generates grouped feedback values in real time; the control module is electrically connected to the spectrum detection assembly and used for controlling the change of the spectrum filtering state of the spectrum detection assembly, receiving the grouped feedback values and converting the grouped feedback ...

MANGANESE BISMUTH ADDING RARE-EARTH ELEMENT MAGNETO-OPTICAL FILM MEDIUM

In this invention, light rare-earth element R (R=La, Ce, Pr, Nd, Sm, Gd) is mixed into MnBi, proper compounding of charging for boiling and plating is selected, so that thermal stability of medium is improved, the angle theta K rotational angle of magnetic light Kerr is enlarged greatly to 1.8-2.6 deg., optimum of the angle theta K Rop of medium magnetic light is increased greatly. Liquid nitrogne cooling chip method for boiling and plating is adopted in this invention to fine generated crystal grain and to reduce grain boundary noise. The "step by step" annealing method is used in annealing procedure, homogeneousness of sampling performance is improved. This invention is used for medium of magnetic light disk in magnetic light store technique and for metallic film medium of various magnetic light devices in magnetic light technique.

Driving boundary detection method and device, storage medium and equipment

The invention provides a driving boundary detection method and device, a storage medium and equipment, and the method comprises the steps: carrying out the detection of a boundary through ultrasonic sensors disposed at two sides of a vehicle, obtaining an obstacle distance value and a confidence coefficient, and carrying out the detection of a driving boundary through the obstacle distance values of a current frame and two previous frames, and the confidence coefficient of a previous frame; and correcting the obstacle distance value of the previous frame, transferring the point coordinates of the corresponding obstacle under the vehicle coordinate system of the current frame to the world coordinate system to obtain the coordinates of boundary points, and when the number of the extracted boundary points reaches a preset threshold value, performing curve fitting by using the coordinates of the boundary points to generate a boundary curve. Therefore, high-precision boundary detection can be ...

OPTICAL MEMBRANE, BACKLIGHT MODULE, DISPLAY DEVICE AND DEVICE FOR MANUFACTURING OPTICAL MEMBRANE

The present disclosure provides an optical membrane, a backlight module, a display device and a device for manufacturing the optical membrane. The optical membrane includes a strip-like strengthening member arranged on at least one edge of the optical membrane. The backlight module includes the optical membrane. The display device includes the backlight module. The device for manufacturing the optical membrane with a wave-shaped edge includes: a cutter, configured to cut an edge of the optical membrane; and linear members, arranged between two parallel blades of the cutter and configured to press the edge of the optical membrane into a wave shape. Alternatively, the device for manufacturing the optical membrane with a wave-shaped edge includes: a cutter, configured to cut an edge of the optical membrane; and a roller, configured to press the edge of the optical membrane into a wave shape. 1. An optical membrane , comprising:a strip-like strengthening member arranged on at least one edge of the optical membrane.2. The optical membrane according to claim 1 , wherein the strip-like strengthening member is of a wave shape and formed integrally with the optical membrane.3. The optical membrane according to claim 2 , wherein each ridge line of the wave-shaped strip-like strengthening member is a straight line parallel to the edge of the optical membrane.4. The optical membrane according to claim 1 , wherein the strip-like strengthening member is adhesive coated on the edge of the optical membrane.5. The optical membrane according to claim 1 , wherein the strip-like strengthening member is a strengthening layer coated on the optical membrane.6. The optical membrane according to claim 1 , wherein the strip-like strengthening member is a straight strip-like strengthening member or a curved strip-like strengthening member.7. The optical membrane according to claim 1 , wherein the strip-like strengthening member is arranged on one edge of the optical membrane.8. The optical ...

Backlight module and display panel

The embodiments of the present disclosure provide a backlight module and a display device, which increase the brightness range of the lateral entrance backlight module, thereby improving the HDR display effect of the display device. The backlight module in the embodiment of the present disclosure includes at least two lateral entrance light guide plates, each lateral entrance light guide plate is provided with a light bar. The number of light bars of the backlight module is increased, thereby increasing the maximum brightness of the backlight module. The overall brightness variation range of the backlight module is thus increased. In addition, the light bar of each lateral entrance light guide plate can be separately controlled, thereby increasing the brightness range of the backlight module. Therefore, the backlight module provided by this solution can effectively improve the HDR display effect of the display device.

Material bed clearing device of centrifugal machine

The invention discloses a material bed clearing device of a centrifugal machine. The device is capable of clearing away residual materials on drums and comprises a connecting rod, and a plurality of rollers for cutting off residual material beds and a plurality of blowing nozzles for blowing the residual material beds are arranged at the end of the connecting rod. The device has the advantages that the rollers are used for cutting off the residual material beds, and then the blowing nozzles are used for blowing away and blowing down the residual material beds.

Optical membrane, backlight module, display device and device for manufacturing optical membrane

The present disclosure provides an optical membrane, a backlight module, a display device and a device for manufacturing the optical membrane. The optical membrane includes a strip-like strengthening member arranged on at least one edge of the optical membrane. The backlight module includes the optical membrane. The display device includes the backlight module. The device for manufacturing the optical membrane with a wave-shaped edge includes: a cutter, configured to cut an edge of the optical membrane; and linear members, arranged between two parallel blades of the cutter and configured to press the edge of the optical membrane into a wave shape. Alternatively, the device for manufacturing the optical membrane with a wave-shaped edge includes: a cutter, configured to cut an edge of the optical membrane; and a roller, configured to press the edge of the optical membrane into a wave shape.

Ware is gathered to flow direct -reading automatically controlled notes in pit

Ware is gathered to flow direct -reading automatically controlled notes in pit. Can solve prior art and exist and to throw that drag for the degree of difficulty and work load is big, the high problem of blocked portion probability is met in the unstable easy unusual and test of test achievement. Including the top connection, go up the center tube, an upper end over, first contact pin subassembly, a plug -in section, the subassembly is blocked to the individual layer, the second socket section, the pipe inner pressure sensor, electric -magnetic flow meter, the 3rd plug -in section, lower center tube, fourth plug -in section, the 5th plug -in section, the bottom end cover, the lower clutch, the cable joint subassembly, second contact pin subassembly, including a motor, an end cap, a controller, and a cover plate, sealed linkage unit, and a valve cor, the end is stifled, by ground control system send instruction, the length adjustment injection rate of motor continuity control case in the ...

Light guide plate and manufacturing method thereof, backlight module and display device

A light guide plate and a manufacturing method thereof, a backlight module, and a display device are provided. The light guide plate includes a light incident surface, a light reflection surface, and a light-emitting surface; the light reflection surface includes a first prism structure array, the first prism structure array includes first prisms arranged in sequence in a first direction, and the first direction is perpendicular to the light incident surface; the first prism structure array is configured to enable light emitted from the light incident surface to be emitted toward the light-emitting surface; and the light-emitting surface includes a second cylindrical structure array, the second cylindrical structure array includes second cylindrical structures arranged side by side in a second direction, the second direction is perpendicular to the first direction, and a first plane including the first direction and the second direction is perpendicular to the light incident surface.

Method for preparing 6-fluoro-3-(4- piperidyl)-1,2-benzo isoxazole hydrochlorate

The invention relates to a method for preparing a hydrochloride of 6-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole. The method is to subject 2,4-difluorophenyl(4-piperidinyl) ketoxime or a hydrochloride thereof to cyclopropanation and salifying in an aprotic solvent containing an alkali metal hydroxdide, wherein the molar ratio of the 2,4-difluorophenyl(4-piperidinyl) ketoxime or a hydrochloride thereof to the alkali metal hydroxide is 1 to between 1 and 3. The method can effectively prevent F atoms on para positions from participating in the reaction and avoid the production of a dipolymer (V), thereby avoiding the production of a dipolymer (VI) during the following preparation of risperidone. The method crystallizes crystals of a target substance directly by salifying, thereby solving the problems of use of a plurality of kinds of organic solvents, complex operation and low yield due to the extraction by toluene, condensation, and crystallization of petroleum ether. The yield rate of the ...

Tunneling mechanism for coal mine

The invention relates to mining equipment, in particular to a tunneling mechanism for coal mine. The tunneling mechanism comprises a frame, a motor, a spiral digger, a bearing, sliding blocks, a fixing plate and a propulsion device, wherein the frame comprises a support and a front prop; digging pieces are arranged on the spiral digger, the spiral digger penetrates through a bearing inner ring and is mounted on a shaft of the motor, and the propulsion device is connected with the motor through the fixing plate; the sliding blocks are arranged on the two sides of the bearing, the motor and the fixing plate, are mounted on sliding grooves in the frame, and can do reciprocating motion relative to the frame. During in use, as the front prop can avoid swing of the digger in the digging process, the tunneling mechanism is safe and reliable, and manpower can be effectively reduced. As the bearing is sleeved with the spiral digger, the damage of the shaft of the motor is reduced, and the service ...

Method for preparing 6-fluoro-3-(4- piperidyl)-1,2-benzo isoxazole hydrochlorate

The invention relates to a method for preparing a hydrochloride of 6-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole. The method is to subject 2,4-difluorophenyl(4-piperidinyl) ketoxime or a hydrochloride thereof to cyclopropanation and salifying in an aprotic solvent containing an alkali metal hydroxdide, wherein the molar ratio of the 2,4-difluorophenyl(4-piperidinyl) ketoxime or a hydrochloride thereof to the alkali metal hydroxide is 1 to between 1 and 3. The method can effectively prevent F atoms on para positions from participating in the reaction and avoid the production of a dipolymer (V), thereby avoiding the production of a dipolymer (VI) during the following preparation of risperidone. The method crystallizes crystals of a target substance directly by salifying, thereby solving theproblems of use of a plurality of kinds of organic solvents, complex operation and low yield due to the extraction by toluene, condensation, and crystallization of petroleum ether. The yield rate of the ...

Backlight source and display device

The present disclosure provides a backlight source and a display device. A rigid element is arranged between a light strip of the backlight source and a light-entering surface of a light guide plate. One end of the rigid element is fixed onto the light strip, and the other end of the right element is fixed onto the light guide plate, so as to maintain a constant distance between the light strip and the light-entering surface of the light guide plate. An elastic element is arranged between the light strip and a back plate and at a side of the light strip opposite to the light-entering surface of the light guide plate. When the light guide plate is thermally deformed, a deformation force generated by the light guide plate is applied to the rigid element, so push the light strip to press against the elastic element.

BACKLIGHT SOURCE AND DISPLAY DEVICE

The present disclosure provides a backlight source and a display device. A rigid element is arranged between a light strip of the backlight source and a light-entering surface of a light guide plate. One end of the rigid element is fixed onto the light strip, and the other end of the right element is fixed onto the light guide plate, so as to maintain a constant distance between the light strip and the light-entering surface of the light guide plate. An elastic element is arranged between the light strip and a back plate and at a side of the light strip opposite to the light-entering surface of the light guide plate. When the light guide plate is thermally deformed, a deformation force generated by the light guide plate is applied to the rigid element, so push the light strip to press against the elastic element.

BACKLIGHT MODULE AND DISPLAY PANEL

The embodiments of the present disclosure provide a backlight module and a display device, which increase the brightness range of the lateral entrance backlight module, thereby improving the HDR display effect of the display device. The backlight module in the embodiment of the present disclosure includes at least two lateral entrance light guide plates, each lateral entrance light guide plate is provided with a light bar. The number of light bars of the backlight module is increased, thereby increasing the maximum brightness of the backlight module. The overall brightness variation range of the backlight module is thus increased. In addition, the light bar of each lateral entrance light guide plate can be separately controlled, thereby increasing the brightness range of the backlight module. Therefore, the backlight module provided by this solution can effectively improve the HDR display effect of the display device.

Backlight module and display device

The invention discloses a backlight module and a display device. The backlight module comprises a back plate (1); the middle frame (3) is arranged on the back plate (1); the light-emitting substrate (2) is arranged on the back plate (1) and located in the middle frame (3), the light-emitting substrate (2) comprises a first light-emitting area (203) and a second light-emitting area (204) surrounding the first light-emitting area (203), and the second light-emitting area (204) is close to the edge of the light-emitting substrate (2); and the light compensation structure (100) is close to the edge of the light-emitting substrate (2), and the light compensation structure (100) comprises a light conversion material. The backlight module and the display device can improve the display effect.

OPTICAL FILM AND METHOD OF MANUFACTURING THE SAME, BACKLIGHT MODULE, AND DISPLAY APPARATUS

An optical film includes a light-transmissive substrate and a first annular lens group. The light-transmissive substrate has a first surface and a second surface opposite to each other. The first annular lens group is disposed on the second surface, and the first annular lens group is configured to allow light to pass through. The reflectivity of the first annular lens group decreases along a direction away from a central axis of the first annular lens group, and an extending direction of the central axis is the same as a thickness direction of the light-transmissive substrate.

Distributed energy supply system and method for substation box heater

The invention relates to the technical field of power equipment energy supply, and discloses a distributed energy supply system and method for a transformer substation box heater. The system comprises a ventilation module, an energy storage module, a monitoring module and an energy supply analysis module, the energy storage module is connected with an adjacent transformer substation box heater, external wind energy and wind energy in a ventilation pipeline are converted into electric energy through the ventilation module to be stored in the energy storage module, and the monitoring module obtains monitoring data for the transformer substation box heater. The energy supply analysis module determines whether the corresponding substation box heater needs to be supplied with energy according to the electric energy power of the energy storage module and the monitoring data, and sends a corresponding instruction to the energy storage module according to an obtained energy supply analysis result ...

Sound scene classification method based on multi-modal feature fusion

The invention provides a sound scene classification method based on multi-modal feature fusion, and the method comprises the steps: extracting a Mel spectrogram of original sound, and extracting a first-order difference Mel spectrogram on the basis of the Mel spectrogram; constructing a feature extraction network based on the Mel spectrogram and the first-order difference Mel spectrogram; inputting the extracted Mel spectrogram and the first-order difference Mel spectrogram into a feature extraction network for feature extraction and feature fusion; dimensionality reduction is carried out on the depth feature map of the Mel spectrogram obtained through the feature extraction network and the depth feature map of the first-order difference Mel spectrogram to obtain two feature vectors with advanced semantic information, and finally the two feature vectors are fused, predicted and output. According to the method, the recognition accuracy of the sound scene can be effectively improved, and ...

LIGHT GUIDE PLATE AND MANUFACTURING METHOD THEREOF, BACKLIGHT MODULE AND DISPLAY DEVICE

A light guide plate and a manufacturing method thereof, a backlight module, and a display device are provided. The light guide plate includes a light incident surface, a light reflection surface, and a light-emitting surface; the light reflection surface includes a first prism structure array, the first prism structure array includes first prisms arranged in sequence in a first direction, and the first direction is perpendicular to the light incident surface; the first prism structure array is configured to enable light emitted from the light incident surface to be emitted toward the light-emitting surface; and the light-emitting surface includes a second cylindrical structure array, the second cylindrical structure array includes second cylindrical structures arranged side by side in a second direction, the second direction is perpendicular to the first direction, and a first plane including the first direction and the second direction is perpendicular to the light incident surface. 1. A light guide plate , comprising: a light incident surface , a light reflection surface , and a light-emitting surface ,wherein the light reflection surface is opposite to the light-emitting surface, and the light incident surface is connected to the light reflection surface and the light-emitting surface, respectively;the light reflection surface comprises a first prism structure array, the first prism structure array comprises a plurality of first prisms arranged in sequence in a first direction, and the first direction is perpendicular to the light incident surface;the first prism structure array is configured to enable light emitted from the light incident surface to be emitted toward the light-emitting surface; andthe light-emitting surface comprises a second cylindrical structure array, the second cylindrical structure array comprises a plurality of second cylindrical structures arranged side by side in a second direction,the second direction is perpendicular to the first ...

Robot precision compensation method for variable-parameter error recognition

The invention discloses a robot precision compensation method for variable-parameter error recognition and belongs to the technical field of robot inverse calibration. A variable-parameter error module is provided, errors of pose points of a robot in different spaces are sampled through a laser tracker, a plurality of points which are closest to an expected pose point are sought in the near area range according to the space where the expected pose point is located, and an improved Levenberg-Marquardt damp iterative least square method algorithm is used for solving the global convergent solution of the parameter error corresponding to the expected pose point, and therefore the practical parameter of the expected pose point is solved. The pose point at which the robot should arrive practically is solved through the practical parameter of the expected pose point and through inverse kinematics of the expected pose point, and the absolute positioning precision compensation of the robot at the ...

Pilot lamp

The utility model relates to an indicating device technical field discloses a pilot lamp, including two at least LED and a light pipe, the both ends of light pipe are incident surface and emitting face respectively, and the incident surface is the quadrangle, and the emitting face is circular, the light pipe is including the incident section, S -shaped reflecting segment and the outgoing section that connect gradually and be streamlined transition from the incident surface to the emitting face, every LED's light emitting area is all arranged towards the incident surface. The utility model discloses a pilot lamp has add the light pipe, with the incident surface setting towards the light pipe of two at least LED's light emitting area, so that the light that LED sent is jeted into from the incident surface, conduct to the emitting face through the light pipe and jet out, can change LED's luminous direction, can reach display position to light from the bottom side in smaller space, and the ...

Construction engineering cost on-site surveying and mapping device

The invention discloses a construction engineering cost on-site surveying and mapping device which comprises a shell, a stand column is fixedly connected to the middle end of the upper surface of the shell, a servo motor is fixedly connected to the front end of the top of an inner cavity of the shell, and the output end of the servo motor penetrates through the middle end of the bottom of an inner cavity of the stand column and is fixedly connected with a first screw. The lower end of the outer surface of the first screw is in threaded connection with a first sliding block, the upper surface of the first sliding block is fixedly connected with a first connecting cylinder, and the top end of the first connecting cylinder is fixedly connected with a lifting plate. Through the arrangement of the stand column, the recording plate, the lifting plate, the surveying instrument body, a knob, a clamping block, a connecting plate, a supporting rod, a first connecting cylinder, a first screw rod, ...

Self-supervised machine abnormal sound detection method

The invention provides a self-supervised machine abnormal sound detection method, which comprises the following steps of: converting audio segments in a machine sound data set into spectrograms, decomposing the spectrograms along time and frequency directions and recombining the spectrograms into multi-channel time sub-spectrograms and frequency sub-spectrogram group input features; respectively sending the time sub-spectrogram and the frequency sub-spectrogram group into two sub-network branches which are trained in parallel in a feature extraction network, and extracting a time feature vector and a frequency feature vector; and classifying the two groups of feature vectors output by the feature extraction network, calculating time and frequency abnormal scores, fusing the two groups of abnormal scores according to different weighting coefficients to serve as a final abnormal score, and outputting a detection result. According to the method, through spectrogram decomposition, the input ...

Protective device for preventing photovoltaic reverse power transmission

The invention relates to a photovoltaic reverse power transmission prevention protection method and device, whether reverse power transmission exists or not is judged from multiple angles of current, voltage, frequency, illumination intensity and the like by obtaining the electrical quantity of a device to be protected and the illumination intensity of the environment where the device is located, and meanwhile the functions of self-correction and judgment and alarm are achieved. According to the invention, the monitoring accuracy of the secondary component is improved, and problems are pointed out for the maintenance work of on-site operation and maintenance personnel; and the data processing module prompts and detects the element to be measured at present, so that the function of improving the real-time performance and the accuracy of the automatic detection of the secondary element is achieved.

Be used for fixed anchor clamps of using of beam mold board

The utility model discloses a be used for fixed anchor clamps of using of beam mold board, including bottom strengthening mechanism, left side strengthening mechanism and right side strengthening mechanism, left side strengthening mechanism and right side strengthening mechanism set up the left and right sides on the strengthening mechanism of bottom respectively, bottom strengthening mechanism includes bottom plate (1), baffle (2), lower roof (3), lower ejector pin (4), first spring (5), first top tight spring (6), connecting rod (7) and mobile jib (8), the quantity of baffle (2) has two, and two baffle (2) are vertical setting both ends about bottom plate (1) respectively, and the quantity of lower ejector pin (3) has two, and ejector pin under every (3) front end all is provided with one first top tight spring (6), and first top tight spring (6) are connected with the rear portion of lower roof (3), the utility model discloses be used for fixed anchor clamps of using of beam mold board ...

Manganese bismuth adding rare-earth element magneto-optical film medium

Locking device for heat insulation type fireproof valve

The invention relates to the field of fireproof valves, and discloses a locking device for a heat insulation type fireproof valve, which comprises a blade rotationally mounted in a valve body and an actuator for rotating the blade, and storage boxes are symmetrically arranged at the top of an inner cavity of the valve body; each storage box comprises a vertical plate vertically fixed to the top of an inner cavity of the valve body, a movable plate parallel to the vertical plate, a hinged bottom plate hinged to the bottom edge of the vertical plate and connected with the movable plate in a clamped mode and an end plate fixedly connected to the end of the vertical plate, the movable plates in the two storage boxes face to face, and a rotating strip is horizontally arranged between the two movable plates. The rotating strip is rotationally arranged at the top of an inner cavity of the valve body, a linkage mechanism is arranged between the rotating strip and a first rotating shaft, driving ...

Reinforcing steel bar cutting-off equipment for highway construction

The invention discloses reinforcing steel bar cutting-off equipment for highway construction, and relates to the field of reinforcing steel bar cutting-off equipment, the reinforcing steel bar cutting-off equipment comprises two saw blades, the two saw blades are connected with a driving assembly, and the driving assembly can drive the two saw blades to rotate in opposite directions; a lifting assembly is arranged at the bottom of the saw blade and can drive the saw blade and the driving assembly to ascend, two locking assemblies are arranged above the saw blade, each locking assembly comprises an ascending block, a pushing block and a locking block, the bottom of each pushing block is arranged to be an inclined face, and when the saw blade ascends, the ascending blocks ascend synchronously; and when the ascending block ascends to be in contact with the inclined surface of the pushing block and continuously ascends, the pushing block horizontally moves. The thick reinforcing steel bar can ...

Backlight modules and display devices

A backlight module and a display device are disclosed. The backlight module includes: a back plate ( 1 ); a middle frame ( 3 ) disposed on the back plate ( 1 ); a light-emitting substrate ( 2 ) disposed on the back plate ( 1 ) and in the middle frame ( 3 ), the light-emitting substrate ( 2 ) including a first light-emitting area ( 203 ) and a second light-emitting area ( 204 ) surrounding the first light-emitting area ( 203 ), and the second light-emitting area ( 204 ) being close to an edge of the light-emitting substrate ( 2 ); a light compensation structure ( 100 ) close to the edge of the light-emitting substrate ( 2 ), the light compensation structure ( 100 ) including one or more light conversion materials. The backlight module and the display device can improve the display effect.

Backlight module and display device

A backlight module and a display device are provided, and the backlight module includes: a substrate; a plurality of light-emitting elements arranged in an array on the substrate; and a reflective supporting structure on the substrate, wherein the reflective supporting structure has a plurality of openings, the plurality of openings correspond to the plurality of light-emitting elements one-to-one, and each of the plurality of light-emitting elements is accommodated in one of the plurality of openings, wherein the reflective supporting structure is configured to reflect light from the plurality of light-emitting elements, so that an angle between an exit direction of the reflected light and a first direction perpendicular to the substrate is less than a predetermined angle.

Backlight module and display device

A backlight module and a display device are provided, and the backlight module includes: a substrate; a plurality of light-emitting elements arranged in an array on the substrate; and a reflective supporting structure on the substrate, wherein the reflective supporting structure has a plurality of openings, the plurality of openings correspond to the plurality of light-emitting elements one-to-one, and each of the plurality of light-emitting elements is accommodated in one of the plurality of openings, wherein the reflective supporting structure is configured to reflect light from the plurality of light-emitting elements, so that an angle between an exit direction of the reflected light and a first direction perpendicular to the substrate is less than a predetermined angle.

Optical film and method of manufacturing the same, backlight module, and display apparatus

An optical film includes a light-transmissive substrate and a first annular lens group. The light-transmissive substrate has a first surface and a second surface opposite to each other. The first annular lens group is disposed on the second surface, and the first annular lens group is configured to allow light to pass through. The reflectivity of the first annular lens group decreases along a direction away from a central axis of the first annular lens group, and an extending direction of the central axis is the same as a thickness direction of the light-transmissive substrate.

Light-emitting substrate, backlight module, display apparatus, and method for manufacturing light-emitting substrate

A light-emitting substrate includes a substrate, and a plurality of light-emitting devices, a plurality of driver chips and a plurality of supporting structures that are all disposed on a side of the substrate. Each driver chip is electrically connected to at least one light-emitting device, and each driver chip is covered by a supporting structure of the plurality of supporting structures.