Abstract: A backlight module includes a substrate provided with a light-emitting region and a bonding region, a plurality of light-emitting units disposed on a side of the substrate, a back plate disposed on the other side of the substrate, and at least three drive circuit boards bonded and connected to the bonding region by first connectors. Moreover, an extension direction of a long edge of each of the light-emitting units is not parallel to a bonding edge of the bonding region. In this way, when the back plate is a curved back plate, the risk of peeling of the light-emitting units from the substrate when the back plate is in a curved state can be reduced by flexibly setting the degree of the included angle between the extension direction of each long edge of each light-emitting unit and the bonding edge of the bonding region.

Abstract: A display device includes a circuit substrate including a driving circuit; an LED cell array disposed on the circuit substrate, and including a plurality of LED modules, each of the plurality of LED modules including at least two LED cells, from among a plurality of LED cells of the LED cell array, and an insulator coupling the at least two LED cells to each other; a gap-fill layer filling a gap between the plurality of LED modules; a partition disposed on the LED cell array, and defining a plurality of light emitting windows disposed in regions corresponding to the plurality of LED cells, respectively; and at least one color conversion layer disposed in at least a portion of the plurality of light emitting windows.

Abstract: The present application provides a backlight module, an in-vehicle display panel, and a vehicle. The backlight module includes a first backlight module and a second backlight module. The first backlight module includes an opening. The second backlight module is installed in the opening. The first backlight module and the second backlight module are of different types, so the first backlight module and the second backlight module can emit light separately according to different backlight control types, and therefore, a fault tolerance of the backlight module is improved.

Abstract: Display assemblies with divided interior space and related methods are disclosed. A common passageway for the gas fluidly connects passageways of a first and second electronic display subassembly. A barrier extends within, and partitions, the common passageway into a first portion and a second portion. A continuous airflow pathway for the gas includes the first and second portions of said common passageway and the passageways of the first and second electronic display subassemblies. The first and second portions being fluidly interconnected by the passageways of the first and second electronic display assemblies.

Abstract: An illumination system and method can provide illumination at a specified color point. A first lens can project first light, from a first light-emitting diode (LED) array of first LEDs, corresponding to a specified illumination pattern and having a first color point, onto a scene to form first illumination regions at the scene that correspond to the first LEDs. A second lens can project second light, from a second LED array of second LEDs, having a second color point, onto the scene to form second illumination regions at the scene that at least partially overlap with corresponding first illumination regions at the scene. The first illumination can combine with the second illumination at the scene to form combined illumination that corresponds to the specified illumination pattern. The combined illumination can have a specified color point, such as between the first color point and the second color point.

Abstract: A picture generation apparatus using a heat sink dissipating system is disclosed. An embodiment of the present disclosure provides a picture generation apparatus including a PCB on which one or more light sources are disposed; a funnel configured to focus light of the light sources emitted from the PCB, and to reflect the focused light of the light sources to a user; and a heat sink comprising a cup-shaped accommodating part to accommodate the PCB and the funnel, and a polygonal flange part formed on an end thereof.

Abstract: An external display may support bias lighting via lights located on the rear of the display. Embodiments provide a baffle connected to the rear of the display such that the baffle redirects light output from the rear-facing bias lights. According to one embodiment, a display for presenting information generated by an Information Handling System (IHS) includes a screen disposed on a front side of the display, one or more bias lights disposed on a rear side of the display, a baffle comprising a baffle surface, the baffle coupled to the rear side of the display, and a selectively reflective layer disposed on the baffle surface, wherein the selectively reflective layer has a reflectivity that is changeable to selectively reflect a varying amount of light outputted from the bias lights.

Abstract: A display assembly with divided interior space includes a common passageway which fluidly connects passageways of first and second electronic display subassemblies where the common passageway and passageways of the electronic display subassemblies form, at least in part, a continuous airflow pathway for gas. A central septum extends within the common passageway to prevent the gas from directly traveling between a first portion and a second portion of the common passageway, defined, at least in part, by the central septum. Each of the portions of the common passageway are fluidly connected with the passageways of the first and second electronic display subassemblies.

Abstract: A display device is provided having light source boards each having a wiring pattern including a plurality of wires, a plurality of light-emitting elements disposed on each light source board, switching on and off of which being controlled by a control board, board-side connectors each attached to a corresponding one of the plurality of light source boards, a flexible flat cable that has a multi-core structure including a flat-shaped insulator and a plurality of conductors aligned in a direction orthogonal to a thickness direction of the insulator that is connected at one end to the control board, and a plurality of cable-side connectors attached to the flexible flat cable and coupled to the board-side connectors to connect the flexible cable to the light source boards.

Abstract: A curved full-array LED light panel, a curved backlight module including the curved full-array LED light panel, and a curved LCD including the backlight module are disclosed. The curved full-array LED light panel includes a flexible reflective sheet and a plurality of LED light bars wherein a plurality of LEDs are disposed. The plurality of LED light bars are attached to a sheet-rear side of the flexible reflective sheet alone a direction parallel to the height direction of the full-array LED light panel, and the plurality of LEDs disposed on the LED light bars are exposed from a plurality of openings of the flexible reflective sheet toward an LCD panel. Along a direction parallel to the width direction of the full-array LED light panel, the flexible reflective sheet is deformed to form a curved reflective surface. Each of the LED light bars further comprises a bar-shaped PCB, and a plurality of LED dimming-zone circuits are disposed on the bar-shaped PCB.

Abstract: A display assembly includes a mounting structure with one or more cavities for electronic equipment located along a dedicated central airflow pathway for a first flow of ambient air. Each of a number of side assemblies are attached to a respective side of the mounting structure and include a front cover, a display layer located rearward of the front cover, an illumination device for illuminating the display layer when operated, and one or more dedicated side assembly airflow pathways.

Abstract: An edge-lit back light unit for a backlit display includes a reflector, an edge-lit light guide film, a diffuser film, and a pair of crossed brightness enhancement films with increased efficiency. The diffuser film has an angular light distribution output that is matched to light acceptance angles of the pair of crossed brightness enhancement films to provide increased on-axis brightness without having to increase power to the edge-lit back light unit.

Abstract: The present invention relates to a backlight unit for use in a display device. The backlight unit includes a circuit board, at least one light-emitting diode chip mounted on the circuit board, a plurality of reflection members arranged on the upper part of the light-emitting diode chip, and a light diffusing member. The light diffusing member has an incident surface on which light enters and an emitting surface from which light is emitted. The light diffusing member is arranged on the upper part of the circuit board. The plurality of reflection members are stacked on each other and reflect a part of light emitted from the upper surface of the light-emitting diode chip.

Abstract: A display module is disclosed. The display module includes a substrate, a plurality of micro light-emitting diodes (micro-LEDs) disposed on the substrate and configured to radiate light, a reflective layer surrounding a lateral surface of each of the plurality of micro-LEDs, and a light blocking layer disposed on the reflective layer.

Abstract: A light emitting module includes: a first light emitting device including: a first package, a plurality of first semiconductor laser elements mounted in the first package, and a first lens member having lens portions, a number of the lens portion is the same as a number of the first semiconductor laser elements; and a second light emitting device including: a second package, a plurality of second semiconductor laser elements mounted in the second package, wherein a quantity of the second semiconductor laser elements is fewer than a quantity of the first semiconductor laser elements, and a second lens member which is structured the same as the first lens member; and one or more mounting substrates in which the first light emitting device and the second light emitting device are mounted.

Abstract: A process for preparing a Mn+4 doped phosphor of formula I Ax[MFy]:Mn+4??I includes combining a first solution comprising a source of A and a second solution comprising H2MF6 in the presence of a source of Mn, to form the Mn+4 doped phosphor; wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; and wherein a value of a Hammett acidity function of the first solution is at least ?0.9. Particles produced by the process may have a particle size distribution with a D50 particle size of less than 10 ?m.

Abstract: The present disclosure relates to a backlight module, a method for designing the same, and a display device. The backlight module includes: a first substrate; a plurality of LED chips on the first substrate; and a light control structure on the first substrate. The backlight module includes a plurality of light control region groups in one-to-one correspondence with the plurality of light-emitting diode chips, each light control region group includes at least a first light control region and a second light control region. The light control structure includes a plurality of light control substructure groups respectively located in the plurality of light control region groups. Each light control substructure group includes at least a first light control substructure in the first light control region and a second light control substructure in the second light control region.

Abstract: A display assembly for inducing turbulent flow and integrating an electric vehicle charger. A first and second subassembly are connected to a structural framework, each including a cover, an electronic display layer located behind the cover, a rear panel located behind the electronic display layer, and a fan assembly located at a rear surface of the rear panel. The electric vehicle charger is also connected to the structural framework.

Abstract: A backlight module includes a substrate and light source assemblies. The substrate has a plurality of light emitting regions, and the plurality of light emitting regions are arranged in an array. A plurality of light source assemblies are disposed in the plurality of light emitting regions in a one-to-one correspondence. Each light source assembly includes a plurality of light source members arranged in an array. Each light source member includes a light emitting unit, and a reflective film configured to split light emitted by the light emitting unit. When the reflective film is disposed, the following condition needs to be met: A proportion of light split by the reflective film towards a center of the light emitting region gradually increases in a direction from the center to an edge of the light emitting region in which the light source member is located.

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 purpose of the present invention is to realize a display device of high definition and high contrast by applying an accurate local dimming. The structure of the invention is as follows. A display device including: a display panel and a back light; in which the back light includes a light source and optical sheet group; the light source includes the light source substrate and LEDs disposed on the light source substrate; the light source is divided into segments in a plan view; at least one of the LEDs is disposed in a segment; the light source substrate, except the LEDs, is covered by a protective film; the segment is partitioned as by wall with the partition plate made of resin; the partition plate is disposed on the protective film.

Abstract: A lighting device capable of maintaining high efficiency while reducing blue light. The lighting device includes: a first light source; and a second light source having lower light efficiency than the first light source and having a lower light intensity than the first light source in a blue light wavelength region, in which power is supplied to the first light source and the second light source so that a ratio of power consumption of the first light source to power consumption of the second light source becomes 1:n, and n is greater than 1.

Abstract: An encapsulant sheet suitable for encapsulating a light-emitting element in, for example, a self-luminous display or for direct backlights. The encapsulant sheet is a single-layer or multi-layer resin sheet that includes an adhesive layer exposed at a topmost surface. The Vicat softening point is greater than 60° C. and no higher than 100° C. The melt viscosity of the encapsulant sheet, at a shear velocity of 2.43×10 sec?1 and measured at a temperature of 120° C. is at least 5.0×104 poise and no more than 1.0×105 poise. The adhesive layer contains a polyolefin and a silane component, and a content of the silane component relative to the resin component of the adhesive layer is at least 0.03% by mass and less than 10% by mass.

Abstract: A planar light source includes a light guide member having a through hole, a light source, a first light adjusting member, a second light adjusting member, and a light transmissive member. The first light adjusting member having reflectivity and transmissivity with respect to light from the light source is disposed on or above an upper face of the light source in the through hole. The second light adjusting member having reflectivity and transmissivity with respect to the light from the light source is disposed above and apart from the first light adjusting member. The first light transmissive member having a higher transmissivity with respect to the light from the light source than the transmissivities of the first and second light adjusting members is disposed between the first light adjusting member and the second light adjusting member, and between a lateral face of the light source and the light guide member.

Abstract: The present invention provides a backlight structure and a display device. The backlight structure includes a backplane and backlight sources, and the backlight sources are arranged on the backplane. The backlight structure also includes: an anti-reflection reflective composite structure, which is located on a side of the backplane. The anti-reflection reflective composite structure includes an anti-reflection film and reflection parts, and the reflection parts are formed on a surface of the anti-reflection film facing the backlight sources. The greater a distance between a certain area on the anti-reflection film and a corresponding one of the backlight sources, the smaller a distribution density of the reflection parts located on the area.

Abstract: A backlight source includes light bars, adapter plate(s) and connection structures. Each light bar includes light-emitting group(s) and external connection unit(s). Each external connection unit is electrically connected to at least one light-emitting group and included at least one first electrode pair. Each adapter plate includes adapter circuits, each adapter circuit includes adapter units, each adapter unit includes at least one second electrode pair. Ends of each connection structure are electrically connected to one external connection unit and one adapter unit. All second electrode pairs of adapter units of a same adapter circuit are classified into at least one group, each group includes second electrode pairs electrically connected in series. In light-emitting groups electrically connected to adapter units of the same adapter circuit, light-emitting groups electrically connected second electrode pairs in a same group are connected in series to form a dimming region.

Abstract: An LED display screen and a manufacturing method therefor. The method comprises: presetting a temporary jig consisting of a first substrate (1) having a plurality of placement grooves, and a cover plate (3), and alternately placing R, G, and B-color LEDs in the placement grooves (2) by means of placement groove inlets (4); attaching a side cover to the temporary jig, and replacing the cover plate with an LED substrate and attaching the LEDs to the LED substrate; removing the first substrate and the side cover and sealing the LED substrate, and connecting a circuit board to the LED substrate, so as to obtain the LED display screen.

Abstract: A lighting device for a motor vehicle, wherein the lighting device comprises a printed circuit board having a plurality of light-emitting diodes arranged thereon, an optical disk and a reflector element, wherein the reflector element is arranged between the circuit board and the optical disk, wherein the reflector element has a plurality of segments into which the reflector element is divided, wherein each light-emitting diode is assigned a segment so that light emitted from the LEDs is reflected at the reflector element and passes through the optical disk.

Abstract: A display assembly for inducing turbulent flow includes electronic display subassemblies attached to a structural framework, each including an illumination device for providing illumination to an electronic display layer when powered, a cover forward of said electronic display layer, and a closed loop fan unit located at a first side of the respective one of said electronic display subassemblies. A rear passageway is positioned between the electronic display subassemblies. A closed loop airflow pathway for circulating gas extends through each of the electronic display subassemblies and includes the rear passageway.

Abstract: A light reflecting structure, a backlight module, and a display device are provided. The light reflecting structure is configured to reflect light emitted from plural light emitting units. The light reflecting structure includes a bottom portion and plural sidewall portions. The sidewall portions are erected on the bottom portion. The sidewall portions respectively and correspondingly surround the light-emitting units, and the light emitted from each of the light-emitting units can be directed to a light reflecting surface corresponding to each of the sidewall portions to be reflected outward. A distance P is defined between any two adjacent sidewall portions, and each of the sidewall portions has a height H1. The distance P and the height H1 satisfy a first inequality, and the first inequality is H1<P/2×tan ?. ? represents a complementary angle of a half light-intensity angle of each of the light-emitting units.

Abstract: A display device is disclosed, which includes a display screen and a dimming screen which are arranged in a stacked manner, a backlight module on a side of the dimming screen away from the display screen, and a circuit board module on a side of the backlight module away from the dimming screen. The circuit board module includes a first control circuit board on the side of the backlight module away from the dimming screen and a second control circuit board on a side of the first control circuit board away from the backlight module, the first control circuit board is electrically connected with the dimming screen through a first Chip On Film and the second control circuit board is electrically connected with the display screen through a second Chip On Film. The circuit board module further includes a first support frame and a second support frame.

Abstract: An edge-lit light source includes one or at least two light guide layers arranged in a stack and one or more light-emitting elements. Of one or more light guide layers of the one or at least two light guide layers, side surfaces of each light guide layer includes a light incident surface and a light exit surface, and the light guide layer includes a bending region located between the light incident surface and the light exit surface. A light-emitting surface of each light-emitting element faces a light incident surface of at least one light guide layer of the one or more light guide layers.

Abstract: Assemblies for enhancing the optical quality of electronic images displayed at an electronic display layer are provided. An optical component is located adjacent to the electronic display layer within a housing for the electronic display layer and the optical component. At least one shock-absorbing subassembly is attached to a location along the housing and to said optical component.

Abstract: A light emitting device includes: a base; a light emitting element; a light reflective film located on an upper surface of the light emitting element; and a encapsulant. A ratio of a maximum width (Wmax) of the encapsulant with respect to a maximum width of the light emitting element, in a side view, is 2 or more. An outer shape of a part of the encapsulant located within a range of elevation angles that is in a range of 10° to 50° from a center of a mounting region at an upper surface of the base on which the light emitting element is mounted is formed to have a curved surface. A ratio (r/Wmax) of a radius of curvature (r) of the curved surface with respect to the maximum width (Wmax) of the encapsulant, in a side view, is in a range of 0.25 to 0.50.

Abstract: A lighting device (1) comprising a light generating element (2; 3), and a micro-lens (4) comprising a focal plane (Fp), wherein the light generating element (2; 3) comprises a first light generating component (2) and a second light generating component (3), wherein the first light generating component (2) comprises a light emitting surface (28) adapted for providing a diffuse light output component, wherein the second light generating component (3) comprises at least one array of light sources (3) adapted for providing a directional light output component, wherein the light generating element (2; 3) is arranged to emit a light output towards the micro-lens array (4), the light output being formed by a superposition of the diffuse light output component and the directional light N output component, and wherein the array of the light sources (3) is located in the focal plane (Fp) of the micro-lens array (4).

Abstract: The present disclosure discloses a lighting arrangement with optical composite that provides, when in operation, more uniform angular light distribution emissions into an environment. Lighting arrangements employing the novel optical composite in conjunction with LED light sources provide direct and indirect illumination with more uniform angular light distribution emissions into application environments. An optically coupled opaque layer suppresses internal reflections of ambient light to improve visual appearance of the optical composite by reducing peak brightness and brightness non-uniformity. In specific embodiments, low visibility matte appearances are achieved that are aesthetically desirable in the “off” (unlit) state. The present disclosure provides a solution to problems of non-uniform angular distribution of light causing visual discomfort and spatial discontinuity in output.

Abstract: A modular display assembly that can easily be installed in a vehicle interior part. The modular display assembly includes a carrier panel having an outer frame and a recessed display region, a display panel situated in the recessed display region of the carrier panel, a diffuser layer that at least partially covers the recessed display region at a location spaced from the display panel to thereby create an optical transmission layer between the display panel and the diffuser layer, and a surface panel that at least partially covers the diffuser layer. The surface panel at least partially rests against the outer frame of the carrier panel.

Abstract: A planar light source includes a light guide member having a through hole, a light source, a first light adjusting member, a second light adjusting member, and a light transmissive member. The first light adjusting member having reflectivity and transmissivity with respect to light from the light source is disposed on or above an upper face of the light source in the through hole. The second light adjusting member having reflectivity and transmissivity with respect to the light from the light source is disposed above and apart from the first light adjusting member. The first light transmissive member having a higher transmissivity with respect to the light from the light source than the transmissivities of the first and second light adjusting members is disposed between the first light adjusting member and the second light adjusting member, and between a lateral face of the light source and the light guide member.

Abstract: A backlight module includes a case body, supporting structures, light-emitting elements, and an optical module. The case body includes a first side wall and a second side wall opposite to the first side wall. Each of the support structures includes two supporting members and a bearing member. Two supporting members are respectively disposed on the first side wall and the second side wall. Each of the supporting member includes a fitting portion, an extending portion, and a bending portion. The fitting portion is fixed to the first side wall and the second side wall. The bearing member is disposed between the two supporting members. The light-emitting elements are respectively disposed on the bearing surface of the bearing member of the corresponding supporting structures. The optical module is disposed on the extending surface of the extending portion of each of the supporting structures. A display device is also provided.

Abstract: A lighting apparatus includes a light source module, a light passing cover, a prism plate and a surface rim. The light source module includes a light source plate and multiple LED modules mounted on the light source plate. The light passing cover has a first side facing to the multiple LED modules for receiving a light from the multiple LED modules. The prism plate is disposed with more than 50 prism units for diffusing the light passing through the light passing cover from a second side of the light passing cover. The surface rim has a light opening for the light diffused by the prism units to escape from the lighting apparatus.

Abstract: A lighting device includes a plurality of first lighting units emitting a first output light. Each of the first lighting units includes a first light source, a first reflective layer, and a first light converting structure. The first light source is configured to provide the first output light. The first reflective layer is configured to reflect the first output light. The first light converting structure is configured to convert the first output light. The first output light has a sub peak between 400 nm and 500 nm and a main peak between 590 nm and 780 nm, and a normal intensity of the sub peak is greater than a tilt intensity of the sub peak. The normal intensity is measured along a normal direction, the tilt intensity is measured along a tilt direction, and the normal direction is different from the tilt direction.

Abstract: A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the lower cover; a light regulating pattern disposed close to an edge of the reflection layer; and an optical sheet disposed on the light sources. Further, a width of the light regulating pattern changes along the edge of the reflection layer.

Abstract: The backlight module includes the following units. Multiple first light emitting units are disposed on a top surface of a transparent substrate. A beam angle of the first light emitting units is greater than or equal to 30 degrees and less than or equal to 45 degrees. Multiple second light emitting units and a light guide plate are disposed on a bottom surface of the transparent substrate. Each second light emitting unit is disposed in a respective hole of the light guide plate. A light intensity of the first light emitting units in a first mode is smaller than that in a second mode. A light intensity of the second light emitting units in the first mode is greater than that in the second mode. In this way, the purpose of privacy protection can be achieved.

Abstract: A display panel and a pixel structure are provided. The pixel structure includes a substrate, a micro light emitting diode (micro LED or ?LED), a sidewall structure, a filling layer, and a reflective layer. The substrate has a bearing surface, and the micro LED is disposed on the bearing surface directly or indirectly. The sidewall structure is disposed on the bearing surface and defines at least one accommodation cavity to accommodate the micro LED. The filling layer is filled in the accommodation cavity and surrounds the micro LED. The reflective layer covers a top surface of the filling layer and has a plurality of light-transmissible windows. The micro LED forms, in a vertical projection direction, a vertical projection region in an overlapping region on the reflective layer. Among the light-transmissible windows, those having longer distances to the vertical projection region have larger areas.

Abstract: A planar light source includes: a light guide plate including: a first principal face, a second principal face located opposite the first principal face, and a plurality of through holes that are open at the first principal face and the second principal face; a plurality of light sources, wherein at least one of the light sources is located in the through holes of the light guide plate; a wiring substrate on which the plurality of light sources are located; a first light transmissive member located in a first of the through holes so as to cover at least a portion of a lateral face of the at least one light source located in the first through hole; and a second light transmissive member located in the first through hole so as to cover at least an upper face of the first light transmissive member.

Abstract: A display device according to an exemplary embodiment of the present disclosure comprises an insulation layer on a substrate and having a groove concave in a direction toward the substrate; a first reflective layer on at least a portion of the insulation layer; and a display element layer on the insulation layer and the first reflective layer, the display element layer including a light emitting element overlapping at least a portion of the groove.

Abstract: Provided is a fluoride fluorescent material having high luminance. The fluoride fluorescent material has a composition containing Mn, A that is at least one element or ion selected from the group consisting of alkali metal elements and NH4+, at least one element M selected from the group consisting of Group-4 elements and Group-14 elements, and F; and contains spherical fluoride particles.

Abstract: A light emitting element array includes a single semiconductor substrate, a plurality of semiconductor elements, which are formed on the single semiconductor substrate, and each of the semiconductor elements including a first distributed Bragg-reflector, an active layer formed over the first distributed Bragg-reflector, and a second distributed Bragg-reflector formed over the active layer. The array includes an electrode pad formed over the second distributed Bragg-reflector and a wiring formed at least partly over the second distributed Bragg-reflector and extending from the electrode pad toward the semiconductor elements. The semiconductor elements include a first semiconductor element, configured to emit laser light, and a second semiconductor element configured not to emit laser light and disposed at a position which is shorter distance along the wiring from the electrode pad than a distance along the wiring from the electrode pad to a position of the first semiconductor element.

Abstract: When at least one scope of 0.5 mm square or more of a surface of an optical sheet having the unevenness is measured, height data of each of a plurality of pixels of an image obtained is determined, an approximated surface is calculated, from the height data of each pixel, for a minute region of 100 ?m2 or less, and a calculation is repeatedly performed to obtain an inclination angle between: (i) a flat surface appearing after the unevenness is imaginarily removed and: (ii) the approximated surface, while two-dimensionally shifting the minute region at equal intervals along the flat surface by using at least one of the pixels as a unit to obtain a plurality of minute regions, a total area of some of the minute regions each having the inclination angle of 30° or more, accounts for 30% or more of a total area of all the minute regions.

Abstract: The disclosure relates to the technical field of liquid crystal display, and discloses a backlight module and a display device. The backlight module includes a light guide plate and a plurality of light emitting diodes arranged in a first direction, where the light guide plate is provided with a first region and a second region along a second direction, and the first direction and the second direction intersect with each other; and dots of the first region include a plurality of isolated cluster structures, and a dot density between any two adjacent cluster structures is lower than a dot density of each of the cluster structures.