G02F1/133507

System and method for adjusting light intensity in a display system

A display system includes a backlight configured to project light. A first display unit is disposed proximate the backlight. A second display unit is disposed proximate the first display unit. A microcontroller is in communication with one or more of the backlight, the first display unit and the second display unit. The microcontroller executes instructions to adjust the first display unit between a first transmissive state and a second transmissive state.

Light redirecting film, a polarizer and a display comprising the same

The present invention discloses a light redirecting film, a polarizer with the light redirecting film, and a display comprising the polarizer. The light redirecting film includes a light redistribution layer, and a light guide layer disposed on the light redistribution layer. The light redistribution layer includes a plurality of strip-shaped micro prisms extending along a first direction and arranged at intervals and a plurality of diffraction gratings arranged at bottoms of the intervals between the adjacent strip-shaped micro prisms, wherein each of the strip-shaped micro prisms has at least one inclined light-guide surface, and the bottom of each interval has at least one set of diffraction gratings, and the light guide layer is in contact with the strip-shaped micro prisms and the diffraction gratings. The present light redirecting film is disposed on the viewing side of the display to decrease the light loss in the side viewing angle of the display, and homogenize the brightness distribution at different viewing angles thereof.

System and method for adjusting light intensity in a display system

A display system including a backlight including a housing receiving light emitting elements to generate and project light from the backlight and reflective portions disposed on the housing is described. A first display unit is disposed proximate the backlight and may include an upper substrate, a liquid crystal layer, and a lower substrate disposed opposite the upper substrate. A reflective polarizer may cooperate with one or more of the upper substrate and the lower substrate of the first display unit. A second display unit is disposed proximate the first display unit. The second display unit may include an upper substrate, a thin-film transistor (TFT) display layer cooperating with the upper substrate and a lower substrate disposed opposite the upper substrate that cooperates with the TFT display layer. A linear polarizer may cooperate with one or more of the upper substrate and the lower substrate of the second display unit.

POLARIZING PLATE AND OPTICAL DISPLAY DEVICE COMPRISING SAME
20220299821 · 2022-09-22 ·

A polarizing plate and an optical display device comprising same are provided. The polarizing plate comprises: a polarizer; and a pattern layer disposed on the upper surface of the polarizer. The pattern layer includes a first resin layer, wherein the first resin layer has one or more intaglio patterns formed on the lower surface thereof. The intaglio pattern has side surfaces, and a first surface and a second surface having different base angles with respect to the maximum width of the intaglio pattern are continuously formed on the side surfaces. The first and second surfaces satisfy Equation 1, and when h1 is a height projected on the first surface and h2 is a height projected on the second surface, among the maximum heights of the intaglio pattern, h1 and h2 satisfy Equation 2.

DISPLAY DEVICE AND ILLUMINATION DEVICE
20220214578 · 2022-07-07 · ·

According to one embodiment, a display device includes a display panel including a first substrate including a first transparent substrate having a first main surface, a first opposite and a side surface, a second substrate including a second transparent substrate having a second main surface and a second opposite surface, and a liquid crystal layer located between the first substrate and the second substrate, a light emitting element opposed to the side surface, a third transparent substrate, and a transparent layer located between the display panel and the third transparent substrate and having a second refractive index that is lower than a first refractive index.

Image source unit and display device
11409157 · 2022-08-09 · ·

A laminate including: a base material layer, an optical functional layer, and a polarizing plate; wherein the optical functional layer includes a plurality of light transmissive portions extending in one direction along a face of the base material layer, and arrayed in a direction different from an extending direction thereof, and an in-between portion(s) formed in the intervals of adjacent light transmissive portions, an angle formed by an extending direction of the transmission axis of the polarizing plate, and the extending direction of the light transmissive portions is 1° to 41.7° in a front view, the base material layer is formed of polycarbonate, and the average coefficient of linear expansion or the average linear expansion of the laminate is within a predetermined range.

Backlight module having an optical film and display apparatus having the same

A backlight module including a light guide plate, a light source, an optical film, a diffusion sheet, a first prism sheet and a second prism sheet is provided. The light guide plate has a light incident surface and a light emitting surface connected to each other. The light source is disposed on a side of the light incident surface. The optical film is overlapped with the light emitting surface and has a plurality of optical microstructures facing the light emitting surface. The diffusion sheet is disposed between the light guide plate and the optical film. The first prism sheet and the second prism sheet are overlapped with the optical film and are positioned on a side of the optical film being far away from the light guide plate. A display apparatus adopting the backlight module is also provided.

SYSTEM AND METHOD FOR ADJUSTING LIGHT INTENSITY IN A DISPLAY SYSTEM
20220268974 · 2022-08-25 ·

A display system including a backlight including a housing receiving light emitting elements to generate and project light from the backlight and reflective portions disposed on the housing is described. A first display unit is disposed proximate the backlight and may include an upper substrate, a liquid crystal layer, and a lower substrate disposed opposite the upper substrate. A reflective polarizer may cooperate with one or more of the upper substrate and the lower substrate of the first display unit. A second display unit is disposed proximate the first display unit. The second display unit may include an upper substrate, a thin-film transistor (TFT) display layer cooperating with the upper substrate and a lower substrate disposed opposite the upper substrate that cooperates with the TFT display layer. A linear polarizer may cooperate with one or more of the upper substrate and the lower substrate of the second display unit.

Upper side light diffuser sheet and backlight unit including the same
11287694 · 2022-03-29 · ·

An upper side light diffuser sheet includes a substrate layer, and a light diffusion layer overlaid on a front face side of the substrate layer. The light diffusion layer includes a resin matrix, and resin beads dispersed in the resin matrix. The resin beads include a first resin bead group having an average particle diameter D50 of 1.9 μm or more and 3.3 μm or less, and a second resin bead group having an average particle diameter D50 larger than the average particle diameter D50 of the first resin bead group. A mass ratio of the second resin bead group in an entire resin beads is 30% or more and 50% or less. A coating amount of the light diffusion layer is larger than 1.7 g/m.sup.2 and smaller than 3.0 g/m.sup.2.

Display device

Provided is a display device. The display device includes a liquid crystal display panel and an optical film disposed above the liquid crystal display panel, the optical film comprising a first pattern layer having a first refractive index and a second pattern layer having a second refractive index different from the first refractive index and disposed on the first pattern layer. The first pattern layer includes a first base part and a plurality of first protrusions. Each of the first protrusions includes a bottom surface adjacent to the first base part, an upper surface facing the bottom surface, and side surfaces between the bottom surface and the upper surface. Each of the side surfaces is perpendicular to the bottom surface and the upper surface.