Complex display device

Patent metadata

Field	Value
Publication number	US-9740073-B2
Application number	US-201615007912-A
Country	US
Kind code	B2
Filing date	Jan 27, 2016
Priority date	Mar 10, 2015
Publication date	Aug 22, 2017
Grant date	Aug 22, 2017

Abstract

Provided is a complex display device Including a first substrate and an opposed second substrate, a first electrode, an electrochromic layer, a common electrode, an emission part and a second electrode, laminated between the first substrate and the second substrate one by one, and an organic layer disposed between the first electrode and the electrochromic layer, or between the electrochromic layer and the common electrode. The organic layer of the complex display device may include at least one of a hole injection material, a hole transport material and a mixture thereof, or at least one of an electron injection material, an electron transport material or a mixture thereof.

First claim

What is claimed is:

1. A complex display device, comprising:
a first substrate and an opposed second substrate;
a first electrode, an electrochromic layer, a common electrode, an emission part and a second electrode, laminated between the first substrate and the second substrate one by one; and
an organic layer disposed between the first electrode and the electrochromic layer, or between the electrochromic layer and the common electrode.

2. The complex display device of claim 1 , wherein the organic layer comprises at least one of a hole injection material, a hole transport material, or a mixture thereof, or
at least one of an electron injection material, an electron transport material, or a mixture thereof.

3. The complex display device of claim 2 , wherein the organic layer comprises an electron injection material and the electron injection material comprises PEIE or ZnO.

4. The complex display device of claim 2 , wherein the organic layer comprises an electron transport material and the electron transport material comprises Alq 3 , TPBi, BBOT, PBD, BMD, Ir(piq) 3 , Ir(piq) 2 (acac), or rubrene.

5. The complex display device of claim 2 , wherein the organic layer comprises a hole injection material and the hole injection material comprises PEDOT:PSS, PVK, TFB, α-NPD, or TPD.

6. The complex display device of claim 2 , wherein the organic layer comprises a hole transport material and the hole transport material comprises 2-TNATA, m-MTDATA, Ir(piq) 3 , Ir(piq) 2 (acac), or rubrene.

7. The complex display device of claim 1 , further comprising a driving part disposed between the first substrate and the first electrode, or between the second electrode and the second substrate.

8. The complex display device of claim 7 , wherein the driving part is disposed between the first substrate and the first electrode, and
images produced at the electrochromic layer or the emission part are displayed via the second substrate.

9. The complex display device of claim 8 , further comprising:
a first contact electrically connecting the common electrode and the driving part; and
a second contact electrically connecting the second electrode and the driving part.

10. The complex display device of claim 7 , wherein the driving part is disposed between the second substrate and the second electrode, and
images produced at the electrochromic layer or the emission part are displayed via the first substrate.

11. The complex display device of claim 10 , further comprising:
a first contact electrically connecting the common electrode and the driving part; and
a second contact electrically connecting the first electrode and the driving part.

12. The complex display device of claim 1 , wherein the emission part comprises an organic emission layer.

13. A complex display device, comprising:
a first substrate;
a first electrode and a second electrode separately disposed in parallel to each other above the first substrate;
an electrochromic layer on the first electrode;
an emission part on the second electrode;
a common electrode disposed on the emission part, the common electrode being extended on the electrochromic layer;
a second substrate on the common electrode; and
an organic layer disposed between the first electrode and the electrochromic layer, or between the electrochromic layer and the common electrode.

14. The complex display device of claim 13 , wherein the organic layer comprises at least one of a hole injection material, a hole transport material, or a mixture thereof, or
at least one of an electron injection material, an electron transport material, or a mixture thereof.

15. The complex display device of claim 14 , wherein the organic layer comprises an electron injection material and the electron injection material comprises PEIE or ZnO.

16. The complex display device of claim 14 , wherein the organic layer comprises an electron transport material and the electron transport material comprises Alq 3 , TPBi, BBOT, PBD, BMD, Ir(piq) 3 , Ir(piq) 2 (acac), or rubrene.

17. The complex display device of claim 14 , wherein the organic layer comprises a hole injection material and the hole injection material comprises PEDOT:PSS, PVK, TFB, α-NPD, or TPD.

18. The complex display device of claim 14 , wherein the organic layer comprises a hole transport material and the hole transport material comprises 2-TNATA, m-MTDATA, Ir(piq) 3 , Ir(piq) 2 (acac), or rubrene.

19. The complex display device of claim 13 , further comprising a driving part disposed between the first substrate and the first electrode.

20. The complex display device of claim 13 , wherein the emission part comprises an organic emission layer.

Assignees

• Electronics & Telecommunications Res Inst

Inventors

• Oh Ji-Young
• Koo Jae Bon
• Kim Joo Yeon
• Na Bock Soon
• Park Chan Woo
• Lee Sang Seok
• Jung Soon-Won
• Chu Hye Yong

Classifications

• G02F1/153

  Constructional details · CPC title

• G02F2001/1552

  Inner electrode, e.g. the electrochromic layer being sandwiched between the inner electrode and the support substrate · CPC title

• G02F2201/44

  Arrangements combining different electro-active layers, e.g. electrochromic, liquid crystal or electroluminescent layers · CPC title

• G09G3/38

  using electrochromic devices · CPC title

• G02F2001/1555

  Counter electrode · CPC title