公开(公告)号：US20180310439A1

公开(公告)日：2018-10-25

申请号：US15906395

申请日：2018-02-27

Applicant: LG ELECTRONICS INC.

Inventor： Honglyeol OH ,  Sangjoon OH ,  Byoungwook HAN ,  Joongnyon KIM

IPC: H05K7/20 ,  G02F1/1335 ,  G02F1/1333

CPC classification number: H05K7/20972 ,  G02F1/133308 ,  G02F1/133504 ,  G02F2001/133314 ,  G02F2001/133331 ,  H05K7/20136 ,  H05K7/20336 ,  H05K7/20963 ,  H05K7/20981 ,  H05K7/2099

Abstract: A display device is disclosed. In order to achieve air circulation through an inner structure or an outer structure of the display device for efficient heat dissipation, the display device includes a housing, a display module mounted in the housing, a closed-loop air circulation system, and an open-loop air circulation system, wherein the closed-loop air circulation system includes a first channel defined between a front surface of the display module and a front surface of the housing so as to extend along the front surface of the display module, and a second channel defined between one side surface of the display module and one side surface of the housing that is opposite the one side surface of the display module so as to extend along the one side surface of the display module in a longitudinal direction thereof, the first channel being configured to receive air from a first end of the second channel and to discharge the air to a second end of the second channel, and wherein the open-loop air circulation system includes a third channel isolated from the first channel and the second channel, an inlet port for receiving air from the outside through the third channel, and an outlet port for discharging the air to the outside through the third channel.

公开(公告)号：US20150309323A1

公开(公告)日：2015-10-29

申请号：US14648117

申请日：2013-12-23

Applicant: LG Electronics Inc.

Inventor： Jun PARK ,  Sangok YEO ,  Honglyeol OH

IPC: G02B27/26 ,  G02B13/16 ,  G02B13/00 ,  G03B21/28

CPC classification number: G02B27/26 ,  G02B13/002 ,  G02B13/16 ,  G02B17/08 ,  G02B27/0101 ,  G02B2027/0134 ,  G02B2027/015 ,  G03B21/14 ,  G03B21/28

Abstract: An image projection apparatus includes a light source for emitting a light bundle, a display element forming an image by using the light bundle, and a projection system having: a lens unit refracting the light bundle so as to magnify and project the image and including first and second aspheric lenses, which are spaced from each other and change the refraction of the light bundle, and at least one spherical lens disposed between the first and second aspheric lenses; and a mirror for reflecting, toward the outside, the light bundle delivered by the lens unit.

Abstract translation: 一种图像投影设备，包括用于发射光束的光源，通过使用光束形成图像的显示元件，以及投影系统，具有：透镜单元折射光束，以放大和投射图像，并且包括第一 和第二非球面透镜，它们彼此间隔开并改变光束的折射;以及至少一个球面透镜，设置在第一和第二非球面透镜之间; 以及用于将由透镜单元传送的光束朝向外部反射的反射镜。

公开(公告)号：US20180263142A1

公开(公告)日：2018-09-13

申请号：US15912399

申请日：2018-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Honglyeol OH ,  Jinwook KIM ,  Hyeuk CHANG ,  Joongnyon KIM

IPC: H05K7/20 ,  H05K5/06 ,  H05K5/02

Abstract: There is disclosed a display device comprising a display module, an outer case in which the display module is mounted and defining an internal space which is closed airtight from the outside, and an inner case coupled to the display module, wherein the inner case which partitions off the internal space into a first closed space having a rear surface of the display module exposed thereto and a second closed space having a front surface of the display module exposed thereto, and the first closed space is surrounded by the second closed space with respect to one cross section.

公开(公告)号：US20180259806A1

公开(公告)日：2018-09-13

申请号：US15916166

申请日：2018-03-08

Applicant: LG ELECTRONICS INC.

Inventor： Honglyeol OH ,  Jinwook KIM ,  Hyeuk CHANG ,  Joongnyon KIM

IPC: G02F1/1333 ,  G02F1/1335

Abstract: There is disclosed a display device comprising a light source unit, an optical sheet spaced a preset distance apart from a front of the light unit, a display panel spaced a preset distance apart from a front surface of the optical sheet, a module case configured to form at least one of a first space between the display panel and the optical sheet, a second space between the optical sheet and the light source unit and a third space in a rear surface of the light source unit, a through-hole formed in the module case and at least one of the first through third spaces, and an outer case configured to form an internal space partitioned off from an external space and a first closed passage located in the internal space by mounted the module case, wherein the first passage is located in the first closed passage.