Slim backlight unit for various applications : local dimming and autostereoscopic display = 다양한 슬림형 백라이트 유닛 : 로컬 디밍 및 무안경 3차원 디스플레이 local dimming and autostereoscopic display

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In this dissertation, two LGPs for local dimming and autostereoscopic display are introduced. The brief intro-duction is below: i. Local Dimming (Chapter 3) Two-dimensional local dimming is a technique for reducing energy consumption and enhancing the contrast ratio of LCD. For this, locally luminance controllable BLU is required. Conventional local dimming BLU is made by back-lit type, which has comparably thick feature, or edge-lit type with limited local dimming per-formance. In this dissertation, an ultra-thin BLU for 2D local dimming was proposed and demonstrated by using newly designed LGP. The LGP shows the on-axis light extraction feature without prism sheets. Moreo-ver, due to its unique design of thin channel between each block, local isolation level is controllable. ii. Autostereoscopic Display (Chapter 4) An autostereoscopic display is a device for giving binocular disparity without any special glasses. Conven-tional ways to make autostereoscopic display are a temporal and spatial modulation. The proposed LGP can spatially modulate the scene of the display without any additional films like a barrier and a lenticular lens. So it reduces the thickness and cost of the display. The LGP also can be used in two-layered BLU for 2D/3D switchable display because the LGP is transparent. Moreover, I proposed a systematic feature for increasing viewing number and resolution by using spatial-/temporal- hybrid modulation.
Advisors
Yoon, Jun-Boresearcher윤준보researcher
Description
한국과학기술원 :전기및전자공학부,
Publisher
한국과학기술원
Issue Date
2019
Identifier
325007
Language
eng
Description

학위논문(박사) - 한국과학기술원 : 전기및전자공학부, 2019.2,[xi, 77 p. :]

Keywords

Dual-sided display▼aLGP▼aincised-microstructure▼aLCD▼abacklight unit; 도광판▼a디스플레이▼a3차원▼a액정디스플레이▼a로컬디밍

URI
http://hdl.handle.net/10203/265246
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=842205&flag=dissertation
Appears in Collection
EE-Theses_Ph.D.(박사논문)
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