Nanoco Technologies Ltd. v. Samsung Electronics Co., Ltd. et al

Filing 1

COMPLAINT against Samsung Advanced Institute of Technology, Samsung Display Co., Ltd., Samsung Electronics America, Inc., Samsung Electronics Co., Ltd., Samsung Electronics Co., Ltd. Visual Display Division ( Filing fee $ 400 receipt number 0540-7664317.), filed by Nanoco Technologies Ltd.. (Attachments: # 1 Civil Cover Sheet, # 2 Exhibit 1, # 3 Exhibit 2, # 4 Exhibit 3, # 5 Exhibit 4, # 6 Exhibit 5, # 7 Exhibit 6, # 8 Exhibit 7, # 9 Exhibit 8, # 10 Exhibit 9, # 11 Exhibit 10, # 12 Exhibit 11, # 13 Exhibit 12, # 14 Exhibit 13, # 15 Exhibit 14)(Henry, Claire)

Exhibit 12

QD Forum 2018/March/13th
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2/24

‘13 Cd-base QD TV
’02 QD PV
(Alivisatos)

’98 Bio Labeling
(Alivisatos)

‘09 Full color QLED
(Samsung)

’00 QD LED
(Bawendi)

’92 QD laser (Bawendi)

‘80
’81 Quantum size
effect

‘99 printable TFT
(Jacobson)

’02 QD-LED
(Bulovic)

’93 Monodisperse
(Murray)

’04 Memory
(Bawendi)

‘10 QD-LED TV
(Samsung)

‘00

‘90
’92 GaAs synthesis
(Alivisatos)

‘15 Cd-free QD TV
(Samsung)

’96 Core/Shell
(Heins)

’99 Blinking
(Brus)

’00 Shape control
(Alivisatos)

’03 SILAR
(Peng)

‘10
’07 InP/ZnS
(Peng)

’11 Blinking
(Klimov)

’00 Doped QD
(Bawendi)

3/24

Form

‘13
QD Vision
(Boston, 200kg)

QD Rail
(Cd)

‘14

‘15

‘16

‘17

Cd-QD

SONY
(TV, 13 line-up)

Samsung M&A
TCL
(TV)

Philips, BOE
(Monitor)
Hisense, Konka
(TV)

Nanosys: Cd-QD
Cd-QD
(Milpitas, 2000kg)
3M
(QDEF)
Amazon
(Kindle)
QD Film
(Cd/Cd-free)

ASUS
(Laptop)

Hisense
(TV)

TCL
(TV)

LMS/Hitachi QMC/Nitto Denko
(QDEF)
(Film)
Vizio, AUO
ASUS
(TV)
(Monitor)

Najing Tech
(Cd QD)

Nanoco/Dow Chem.
(Mass Production)
‘10 QD-LED TV
Samsung proto

RoHS

Cd-free QD

Exemption#39  expire
July ‘14

Sangbo
(Film)
Cd-free QD

Wah Hong
(Film)
Samsung
(SUHD TV)

Exemption#39 (lighting) 
extend to July ’17

Cd-free QD

Exemption#39  EP Veto
(May ‘15)

Dongwoo Finechem

DIC (Color filter)

Poly-OE TCL
(Film)
(TV)

Hisense
(TV)

Nanoco/Merck
(Mass Production)
Samsung
(QLED TV)

Samsung
(Monitor)

Exemption#39 replace  CdSe QDs color converting
display (2 years)  Expire for all categories on Oct. ‘19

4/24

ECS J. SS Sci. & Tech.(2013) Nanoco

5/24

High quality core → Core/Shell → Multi shell
NL (‘02) Peng

JPC (‘94) Nozik

JACS (‘07) Peng

CM (‘17) Lee

CM (‘11) Char

Chem. Mater. (‘15) Hens

InP precursor with TOPO
270 C, 3 days

1990

In(OAc) + acid ligand,
ODE, 270 C, 180min

C8 amine, 180 C
 450~750nm, QY=40%

2000

InP/ZnSeS gradient shell
QY=70%, FWHM=45nm

InCl3+Aminophosphine FWHM : G 36nm, R 45nm

2010
JACS (‘08) Reiss

JMC (‘08) Nann

2020
JACS (‘10) Delpech

PO4, InPO3, acid ligand
 Ketone & Water
InP/ZnS One pot
Zn, HAD  size control
(510~580nm) QY=70%,
(480~750nm)
~50h photo stability

CM (‘15) Cossairt

Magic sized cluster

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SAIT
('13/100%)

SAIT
('10/100%)

Peng
('16/100%)

100

SAIT
('03/85%)

QE (%)

80

60

40

CEA-CNRS
('10/70%)
Univ. East Anglia
(‘08/60%)

NUS
('03/50%)

U. Chicago
('99/50%)

Ajou Univ
('16/85%)
Abdullah Gul Univ.
('16/78%)
DGIST
('17/67%)
Hongik Univ
('15/63%)

Henan Univ.
SNU ('15/83%)
('13/81%)

SNU
('11/80%)

SAIT
('05/60%)

SAIT*
('17/95%)

SAIT*
('15/85%)

SAIT
('10/95%)

Ghent Univ.
('15/60%)

Ajou Univ.
('11/60%)

Ajou Univ.
('16/60%)

Ocean Univ.
('10/45%)

Peng
('03/40%)

Peng
('07/40%)

Cd-free Red QY (%)
Ajou Univ.
('16/40%)

CEA-CNRS
('10/40%)

Cd-free Green QY
(%)
Cd-free Blue QY (%)
Cd Red QY (%)

20

Cd Green QY (%)

KIST
('12/5%)

0
1995

1997

1999

2001

2003

2005

2007

2009

2011

2013

2015

2017

2019

Year

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2nm

3. Crystallinity
(High temperature growth)

4. One pot synthesis with
high concentration

5. Control the uniformity of
size/shape and the byproducts

1. Multi element core/Gradient shell
structure
ZnSe rich (1-2) Gradient shell composition →
minimize the lattice mismatch
ZnS rich
2. Oxide interfaces
: Induce oxidative layer

Multiple metal precursors

8/24

JPC (1995) Nozik

JACS (2012) Kim

ZnInP/GaP/ZnS

APL(1999) Nozik

GaN, Abs 360~450nm

NL (2002) Kelley

GaSe, Abs 360~450nm

GaP
Eg=2.78eV
JMC (2014) Taylor
Small (2005) Rao

Chem. Comm. (2015) Cossairt

2D structure
CM(2014) Dubertret

NL (2003) Nozik

InP quantum rod
InN
Eg=0.65~0.7eV

Zn3N2
PL=500~1100nm
QY=52%(566nm)

ZnSe nanoplate
Cation exchange from CdSe
Zn3P2
PL=424~535nm
tetragonal

9/24

Parameters: Precursors, Intermediates, Solvents, Surfactants, Additives, Reaction Process

ref. Courtesy of Hansol Chemical Corp.

20L

100L Pilot

Mass Production
10/24

<Phosphor Spectrum>
QD Materials

Scale-up

Composite

Film

<QD Spectrum>

Fabrication

Organic dye (Color filter)
White LED BLU
Organic Dye
Transmitted BLU

Narrow bandwidth KSF phosphor

(Blue LED)

<LCD structure with QD Film>

Optics Express Vol. 23, A791 (2015)

11/24

SEC

Device

Launchin
g

Material
SAIT
ref. H. Chang, MRS 2014 Fall Meeting

12/24

Additional injection
(focusing)
Separation
defocusing

Multi shell passivation

Encapsulation (stability)

Customer requirements

Mass production

Process stability

Supply chain/Eco system
13/24

14/24

300

400

500

600

700

800

15/24

BLU:
(1) Film
(2) Edge Optics
(3) On Chip
Benefit=cost

Backlight

(LED)

Panel

Emissive C/F
Pixelated LED

Benefit=view angle
brightness

16/24

② PL quenching
Matrix

(①Dispersion)

Loss
(heat)
LED

hν1

③ Thermal quenching

Transmitted
hν 1

Peak shift
hν2

+
-

Stokes
shift
hν3

Absorption
Re-absorption

Reflection
(Recycle)

Loss
(heat)

QD/silica
monolith

QD

Thermal quenching

ACS Nano (2013) 1472

17/24

QDs

Sclae-up

PR/Ink

Pattern

Emissive CF

90º

90º

225º

0º

180º

0º

180º

45º

135º

45º

135º

225º

315º

315º
270º

270º

Conventional CF : 90º

Emissive CF : 178º

Front Emission: 38%
(partial cutting)

Cutting external light

Total reflection

Absorption (Blue
cut)
Efficiency
Patterning
Optical coupling
(Recycle)
Patterning

TiO2

QD

Side Emission :
24%

Backward Emission : 38%
(Recycle)
Blue light source

18/24

QD

Scale-up

Ink (R/G/B)

Inkjet Process

QD-LED

<Blue QD Synthesis>

<Ligand Exchange>

<ETL/HTL Design>

Cathode (Al)
Electron Injection
Electron Transport
QD Emission
Anode (ITO)
Substrate (Glass)

Hole Transport
Hole Injection

H3C

CH3
C8H17

C8H17 C8H17
N

N
C8H17

38.5

50

5

5

1.5

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#Samsung
/ VD
/ SDI
/ SDC
#Hansol Chemical

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