Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

Abstract: Disclosed is a backlight unit. The disclosed backlight unit comprises: a light guide plate; and a light source module configured to emit light to a light incident surface formed on at least one side of the light guide plate, wherein the light source module comprises: a printed circuit board; and a connector connected to multiple light sources arranged on the printed circuit board and to the printed circuit board, so as to transfer electric power thereto, and the connector may comprise a gap-retaining member arranged between the printed circuit board and the light guide plate, so that the light sources and the light incident surface are spaced apart from each other by a predetermined optical distance.

Abstract: Disclosed is a backlight unit. The disclosed backlight unit comprises: a light guide plate; and a light source module configured to emit light to a light incident surface formed on at least one side of the light guide plate, wherein the light source module comprises: a printed circuit board; and a connector connected to multiple light sources arranged on the printed circuit board and to the printed circuit board, so as to transfer electric power thereto, and the connector may comprise a gap-retaining member arranged between the printed circuit board and the light guide plate, so that the light sources and the light incident surface are spaced apart from each other by a predetermined optical distance.

Abstract: A display apparatus includes a display panel, a light guide plate disposed behind the display panel, the light guide plate being lengthwise or widthwise smaller than the display panel, a light source disposed adjacent to a first lateral surface of the light guide plate and irradiates light onto the first lateral surface, a back chassis disposed behind the light guide plate and supports a back surface of the light guide plate and a support structure disposed along a second lateral surface of the light guide plate different from the first lateral surface of the light guide plate. Further, the support structure includes light blocking protrusion that blocks a portion of the second lateral surface.

Abstract: A display apparatus includes a display panel, a light guide plate disposed behind the display panel and configured to guide light to the display panel, a light source configured to irradiate light to at least one side of the light guide plate, a diffusion plate disposed between the display panel and the light guide plate, and at least one diffusion plate support member coupled to the light guide plate and configured to support the diffusion plate. The light guide plate includes an optical pattern arranged in a light emitting surface facing the diffusion plate and at least one insertion hole for receiving the at least one diffusion plate support member. The optical pattern includes a pattern change region which surrounds at least a portion of the insertion hole.

Abstract: A display device is provided, which includes a display panel, a light guide plate disposed in a rear of the display panel, a light source disposed adjacent to a light-incident surface of the light guide plate and configured to radiate light toward the light-incident surface of the light guide plate, and a holder disposed along a light-facing surface of the light guide plate, the light-facing surface of the light guide plate opposing the light-incident surface of the light guide plate, the holder including a supporting portion that supports a light-emitting surface of the light guide plate, the light-emitting surface of the light guide plate disposed between the light-incident surface and the light-facing surface, wherein the supporting portion of the holder has a first light reflecting surface that faces the light-facing surface of the light guide plate.

Abstract: A display apparatus includes: a display panel; a light source configured to supply light to the display panel; and a diffuser plate configured to diffuse the light supplied to the display panel. The diffuser plate includes: a first diffusion layer comprising a plurality of concave portions in a first surface of the first diffusion layer; a light converter provided in each concave portion of the plurality of concave portions; and a second diffusion layer configured to cover the first surface of the first diffusion layer.

Abstract: A display apparatus is provided. The display apparatus includes a display panel; a light guide plate configured to guide light to the display panel and disposed behind the display panel; a light source configured to emit light to a lateral surface of the light guide plate; a diffusion plate disposed between the display panel and the light guide plate; and at least one support member configured to support the diffusion plate and disposed to pass through the light guide plate, wherein a light transmittance of a portion of the at least one support member at a side of the support member facing the light source is different from a light transmittance of a remaining portion of the at least one support member.

Abstract: A display includes a display panel for displaying an image; a backlight including a light guide plate disposed behind the display panel for outputting light to the display panel, and a light source that irradiates the light to a first side surface of the light guide plate; and a holder for supporting the display panel and the light guide plate and to have a concave portion that exposes at least a portion of a second side surface of the light guide plate positioned to be opposite to the first side surface of the light guide plate.

Abstract: A display device is provided, which includes a display panel, a light guide plate disposed in a rear of the display panel, a light source disposed adjacent to a light-incident surface of the light guide plate and configured to radiate light toward the light-incident surface of the light guide plate, and a holder disposed along a light-facing surface of the light guide plate, the light-facing surface of the light guide plate opposing the light-incident surface of the light guide plate, the holder including a supporting portion that supports a light-emitting surface of the light guide plate, the light-emitting surface of the light guide plate disposed between the light-incident surface and the light-facing surface, wherein the supporting portion of the holder has a first light reflecting surface that faces the light-facing surface of the light guide plate.

Abstract: A display includes a display panel for displaying an image; a backlight including a light guide plate disposed behind the display panel for outputting light to the display panel, and a light source that irradiates the light to a first side surface of the light guide plate; and a holder for supporting the display panel and the light guide plate and to have a concave portion that exposes at least a portion of a second side surface of the light guide plate positioned to be opposite to the first side surface of the light guide plate.

Abstract: A display apparatus is provided. The display apparatus includes a display panel, a light guide plate disposed behind the display panel and configured to guide light to the display panel, a light source configured to irradiate light to at least one side of the light guide plate, a diffusion plate disposed between the display panel and the light guide plate, and at least one diffusion plate support member coupled to the light guide plate and configured to support the diffusion plate. The light guide plate includes an optical pattern arranged in a light emitting surface facing the diffusion plate and at least one insertion hole which is formed in the light emitting surface for the at least one diffusion plate support member being inserted thereto. The optical pattern includes a pattern change region which surrounds at least a portion of the insertion hole.

Abstract: A display apparatus is provided. The display apparatus includes a display panel; a light guide plate configured to guide light to the display panel and disposed behind the display panel; a light source configured to emit light to a lateral surface of the light guide plate; a diffusion plate disposed between the display panel and the light guide plate; and at least one support member configured to support the diffusion plate and disposed to pass through the light guide plate, wherein a light transmittance of a portion of the at least one support member at a side of the support member facing the light source is different from a light transmittance of a remaining portion of the at least one support member.

Abstract: A display apparatus includes a display panel, a light guide plate disposed behind the display panel, the light guide plate being lengthwise or widthwise smaller than the display panel, a light source disposed adjacent to a first lateral surface of the light guide plate and irradiates light onto the first lateral surface, a back chassis disposed behind the light guide plate and supports a back surface of the light guide plate and a support structure disposed along a second lateral surface of the light guide plate different from the first lateral surface of the light guide plate. Further, the support structure includes light blocking protrusion that blocks a portion of the second lateral surface.

Abstract: Provided is a display apparatus. The display apparatus includes a display panel, a light source configured to generate light to be supplied to the display panel, and a reflecting member disposed behind the display panel and formed of a white foam resin to diffuse and reflect light generated from the light source.

Abstract: Provided is a display apparatus. The display apparatus includes a display panel, a light source configured to generate light to be supplied to the display panel, and a reflecting member disposed behind the display panel and formed of a white foam resin to diffuse and reflect light generated from the light source.