Design of the freeform V-cut optics in the cell phone backlight system

J.B. Jiang; Suet To; Wing Bun Lee; Chi Fai Cheung

Design of the freeform V-cut optics in the cell phone backlight system

J.B. Jiang, Suet To, Wing Bun Lee, Chi Fai Cheung

Research output: Journal article publication › Journal article › Academic research › peer-review

Abstract

Having a microlens array on one side of the lightguide plate is now widespread in cell phone backlight systems. This paper describes a new design for the cell phone lightguide plate, which uses microlens array structure on one side and a progressive V-cut freeform surface on the other side. The illumination distribution of the lightguide becomes more reasonable. The results of the simulation show that the illumination of the lightguide plate is double that of a plate with only a microlens array in one side. If this lightguide is adopted, a layer of 3M brightness enhancement film can be reduced.

Original language	Chinese (Simplified)
Pages (from-to)	178-184
Number of pages	7
Journal	液晶与显示 (Chinese journal of liquid crystals and displays)
Volume	20
Issue number	3
Publication status	Published - 2005

Keywords

Backlight module
Lightguide plate
Brightness enhancement film
Micro lens array
V-cut
Freeform surface

ASJC Scopus subject areas

Signal Processing
Electronic, Optical and Magnetic Materials
Instrumentation

More information

http://hdl.handle.net/10397/64447

Cite this

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title = "Design of the freeform V-cut optics in the cell phone backlight system",

abstract = "Having a microlens array on one side of the lightguide plate is now widespread in cell phone backlight systems. This paper describes a new design for the cell phone lightguide plate, which uses microlens array structure on one side and a progressive V-cut freeform surface on the other side. The illumination distribution of the lightguide becomes more reasonable. The results of the simulation show that the illumination of the lightguide plate is double that of a plate with only a microlens array in one side. If this lightguide is adopted, a layer of 3M brightness enhancement film can be reduced.",

keywords = "Backlight module, Lightguide plate, Brightness enhancement film, Micro lens array, V-cut, Freeform surface",

author = "J.B. Jiang and Suet To and Lee, {Wing Bun} and Cheung, {Chi Fai}",

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T1 - Design of the freeform V-cut optics in the cell phone backlight system

AU - Jiang, J.B.

AU - To, Suet

AU - Lee, Wing Bun

AU - Cheung, Chi Fai

PY - 2005

Y1 - 2005

N2 - Having a microlens array on one side of the lightguide plate is now widespread in cell phone backlight systems. This paper describes a new design for the cell phone lightguide plate, which uses microlens array structure on one side and a progressive V-cut freeform surface on the other side. The illumination distribution of the lightguide becomes more reasonable. The results of the simulation show that the illumination of the lightguide plate is double that of a plate with only a microlens array in one side. If this lightguide is adopted, a layer of 3M brightness enhancement film can be reduced.

AB - Having a microlens array on one side of the lightguide plate is now widespread in cell phone backlight systems. This paper describes a new design for the cell phone lightguide plate, which uses microlens array structure on one side and a progressive V-cut freeform surface on the other side. The illumination distribution of the lightguide becomes more reasonable. The results of the simulation show that the illumination of the lightguide plate is double that of a plate with only a microlens array in one side. If this lightguide is adopted, a layer of 3M brightness enhancement film can be reduced.

KW - Backlight module

KW - Lightguide plate

KW - Brightness enhancement film

KW - Micro lens array

KW - V-cut

KW - Freeform surface

M3 - Journal article

SN - 1007-2780

VL - 20

SP - 178

EP - 184

JO - 液晶与显示 (Chinese journal of liquid crystals and displays)

JF - 液晶与显示 (Chinese journal of liquid crystals and displays)

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ER -