Lg Electronics Inc.

Jaewook Kwon

Chanyoung Yoon

Jaehyuk Lim

Junghoon Seo

Yongki Kim

Jideok Kim

Inkeun Ryu

Sangkeun Lee

Woohyuk Choi

Seunghyun Yun

Woojae Park

Junghwan Choi

Yongseong Kim

Jaeho Oh

Junghwon Choi

Disclosed is a display device that includes a display panel and a multi-layered panel provided adjacent the display panel. The multi-layered panel may include a front plate located toward the display panel, a rear plate provided parallel to the front plate, and a honeycomb mesh interposed between the front plate and the rear plate. The honeycomb mesh may have a plurality of hexagonal cells. A metal plate may be coupled to a rear surface of the multi-layered panel and a drive board may be seated on the metal plate. At least one of the front plate or the rear plate may include at least one opening that extends parallel to a shorter side of the display device.

Display device

An image projection image for projecting an image on a screen includes a light source, a scanning mirror and a prism. The light source includes laser diodes for emitting beams of different wavelengths. The scanning mirror reflects the beams radiated from the light source and projects the reflected beams. The prism is disposed at the rear of the scanning mirror to decenter the beams via the scanning mirror based on the wavelengths. In the image projection apparatus, the laser diodes are fixed to be vertically spaced apart from a reference height, corresponding to the wavelengths of the beams.

Image projection apparatus

Display shelf

A scanning projector and a method for operating a scanning projector including a light source module including a plurality of color light sources including at least one color light source provided in a plurality, and a scanner configured to execute scanning in the horizontal direction and the vertical direction using light beams emitted from the light source module. Light beams emitted from the plurality of same color light sources are projected on different positions on a screen within one frame and, thus, more rapid and effective scanning may be executed and a high-quality image may be formed.

Scanning projector and method for operating a scanning projector

There is disclosed a laser projection display including a light source unit for emitting light laser light; a light resolution unit for resolving the laser light into a first light and a second light; an optical scanner for realizing an image by scanning the resolved first light to a screen; a sensing unit for sensing the resolved second light; and an alignment compensation unit for calculating location variation of the second light sensed by the sensing unit and compensating color alignment to correspond to the calculated location variation value, wherein a distance between a light emitting surface of the light resolution and a light incidence surface of the optical scanner is equal to a distance between a light emitting surface of the light resolution unit and a light incidence surface of the sensing unit.

Laser projection display and method for aligning color of the same

There are disclosed a laser projector configured to project an image to a back side of a screen and to detect a touch input, comprising a light source configured to irradiate at least one of red, green and blue lights, an infrared light emitting device configured to emit an infrared light to the screen, a light synthesis system configured to synthesize image information comprising color information for each pixel with the light irradiated from the light source so as to emit the synthesized light, a scanner configured to project the synthesized light toward the screen for each pixel, a detector configured to detect an infrared light reflected by an object approaching the screen, and a controller configured to control operations of the light source, the infrared light emitting device and the scanner and to recognize touch input based on the information detected by the detector, such that the laser projector that may perform the projection of the image to the screen and the touch recognition simultaneously may be provided, only to be small-sized.

Laser projector

A laser projector includes a drive signal generation unit for processing an input image signal to generate a laser drive signal and a scanner drive signal, a pixel position detection unit for detecting positions of pixels corresponding to a one-frame image from the generated scanner drive signal, a compensation value decision unit for deciding a brightness compensation value corresponding to the detected pixels, a compensation unit for compensating a laser drive signal corresponding to the detected pixels according to the decided brightness compensation value, a laser light source for generating laser light according to the compensated laser drive signal, and a scanner for scanning the laser light according to the scanner drive signal.

Laser projector and method of compensating brightness of the same

There is disclosed a screen including a first diffusion plate for transmitting a laser light for image display, a second diffusion plate spaced apart a preset distance from the first diffusion plate, and a plurality of optical transmission tubes arranged between the first diffusion plate and the second diffusion plate to transfer the laser light transmitted from the first diffusion plate to the second diffusion plate, wherein the optical transmission tube includes a body portion comprising a first surface facing the first diffusion plate and a second surface facing the second diffusion plate, vided in the body portion to a central region of the second surface provided in the body portion, and at least one optical fiber arranged in the through hole to transfer the laser light, only to reduce speckle noise of laser, and a laser display apparatus using the same.

Screen and laser display apparatus using the same

An image projection module, a mobile device including the image projection module, and a method for operating the same are disclosed. A method for operating a mobile device including an image projection module includes splitting an input image into a left-eye image and a right-eye image in a three-dimensional (3D) image display mode, driving left-eye and right-eye light sources for outputting light having different wavelengths based on the left-eye image and the right-eye image, synthesizing light output from the left-eye light source and light output from the right-eye light source, and projecting the synthesized light in a first direction and then a second direction. Therefore, it is possible to conveniently display a three-dimensional (3D) image.

Image projection module, mobile device including image projection module and method for operating the same

There is disclosed a laser projector and a method of processing a signal thereof. The laser projector includes a plurality of laser sources configured to generate lasers, a controller configured to control each of the generated lasers to be incident on a specific region of a screen with a time difference, and a scanner configured to scan each of the lasers on the screen.

Laser projector and method of processing signal thereof

A projector and an apparatus and method for driving an optical scanner are disclosed. A sensing signal processor receives a sensing signal that represents sensing of operation of the optical scanner and generates a horizontal scan signal corresponding to a horizontal frequency of the optical scanner on the basis of the received sensing signal. A driving signal generator generates at least one of a horizontal reference signal including line information that indicates the number of horizontal lines of a horizontal driving signal of the optical scanner, a reference clock signal and a scanner driving signal for driving the optical scanner on the basis of the generated horizontal scan signal.

Growing community of inventors

Seoul, South Korea

Jaewook Kwon