Keiwa Inc.OPALUS, a product from KEIWA

for beautiful display

Display Innovation CHINA 2015 / Beijing Summit

Satoshi Ueji

October 14, 2015

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Company Profile

Keiwa’s Credo

“Creation of the Harmony betweenNature and Industry.”

Company VisionKEIWA Group strives to be a global company

that contributes to nature and to society

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Company Profile

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Company Name 　　　　

　恵和株式会社（ KEIWA Incorporated ）

Headquarter 1-2-5 Kami-shinjo, Higashi Yodogawa-Ku, Osaka, Japan

Established 　 September 28, 1948

Capital 　 266 million yen

Sales 　 17.6 billion yen（ Financial year 2014）Employees 　 590

President 　 Keiichi Osamura

We are aiming to become a global KEIWA that contributes to a cheerful world and to future societies.

President and Representative Director, KEIWA Inc. Keiichi Osamura

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Asbic　（ Anti-Static solution proposal ）

K-Light 　　（ Corrosion Inhibiting Paper ）Tokay-Barrier 　　（ Recyclable moisture proof paper ）

Appli-Sola Series Back sheet EVA

Decoration FilmMulti-layer Film

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

Keiwa provides products, services that is friendly to

nature and people

Creation of the Harmony between Nature and Industry

Engineering Plastic

Processing Paper

PackagingMaterials

Solution

Energy

Optical

A!Prog　Olmo Paper　（ Processing Paper ）

OPALUS 　（ Diffuser ）OPCON 　（ Low-Retardation film ）

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Logistics

\\

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Core Techniques

Sheeting

Laminating

Coating

Technologies

Cleanness

Cutting

Shape Transmissio

n

Anti-Statics Countermeasur

e

Printing

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Display Structure

Optical Products（ Display Related Products）

OPALUS （ Diffuser ）

LG

P

LED

Reflector

　【 R

AY

LA

】

Low-R

etardation

　【 O

PC

ON

】

Top Diffuser

　【 O

PA

LUS

】

Bottom

Diffuser

　【 O

PA

LUS

】

Disp

lay

・Po

larizer

・Co

lor filter

Prism

RAYLA （ Reflector ）

OPCON （ Low-Retardation

film ）

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• Inside the display module of Smart phone, Tablet, Notebook PC, Monitor, TV.

Techniques

• Sheeting, Coating

Characteristics

• High diffusion high luminance （ HBS series ）• Thin

• Prevents Sparkling

• Hard to wave

• Can be coated evenly

Usage

• Holds 30% of world share, top share in smart phone application!

Achievement

OPALUS　（Diffuser）

10KEIWA’s OPALUS have better cosmetic performance than Other

OPALUS Top Diffuser Cosmetic Differences

SEM picture of Diffuser, 500 times

Mechanism

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The differences can be seen even when the displaying pictures.

Top Diffuser Cosmetic Differences

Same luminance but better coverage!

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OPALUS Bottom Diffuser　 (HBS Series)

LED lamp coverage comparison

Can see LED shape Can’t see LED shape

≪ Customer’s voice ≫

LGP with small scratches were usually discard. Keiwa’s OPALUS’s coverage can hide these defect and our yield rate went up!

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Thank You