Method of sealing an organic light emitting display by means of a glass frit seal assembly
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01J-009/00
H01J-009/26
H01J-009/40
출원번호
UP-0540008
(2006-09-29)
등록번호
US-7837530
(2011-01-22)
우선권정보
KR-10-2006-0028571(2006-03-29)
발명자
/ 주소
Park, Jin Woo
출원인 / 주소
Samsung Mobile Display Co., Ltd.
대리인 / 주소
Knobbe Martens Olson & Bear LLP
인용정보
피인용 횟수 :
35인용 특허 :
84
초록▼
An organic light-emitting display device includes a bottom substrate having a pixel region and a non-pixel region. In the pixel region, organic light-emitting pixels are formed. A top substrate is bonded to the top substrate. A sealing member is provided between the non-pixel region of the substrate
An organic light-emitting display device includes a bottom substrate having a pixel region and a non-pixel region. In the pixel region, organic light-emitting pixels are formed. A top substrate is bonded to the top substrate. A sealing member is provided between the non-pixel region of the substrate and the encapsulation substrate. The sealing member includes a first frit and a second frit which melts substantially easier than the first frit upon irradiation of a laser or infrared beam thereto.
대표청구항▼
What is claimed is: 1. A method of making an organic light emitting display device, the method comprising: providing a first substrate and a first fit bonded to the first substrate; providing a second substrate and an array of organic light emitting pixels formed on the second substrate, the second
What is claimed is: 1. A method of making an organic light emitting display device, the method comprising: providing a first substrate and a first fit bonded to the first substrate; providing a second substrate and an array of organic light emitting pixels formed on the second substrate, the second substrate made of a single layer or multiple layers; arranging the first substrate and the second substrate so as to oppose each other and interpose the array therebetween; interposing a second frit between the first frit and the second substrate, the second fit forming a closed loop surrounding the array, the second fit is configured to melt substantially easier than the first frit upon irradiation of a laser or infrared beam thereto; and bonding the second frit to the first frit and to the second substrate, thereby forming an integrated frit seal interposed between the first and second substrate wherein the frit seal, the first substrate and the second substrate together define an enclosed space in which the array is located; wherein the second frit is substantially non-transparent. 2. The method of claim 1, wherein interposing the second fit comprises placing the second frit on the first frit. 3. The method of claim 1, wherein bonding comprises melting and solidifying at least part of the second frit. 4. The method of claim 1, wherein the first frit melts substantially less than the second frit. 5. The method of claim 1, wherein each of the first and second frits comprises a light-to-heat conversion material configured to generate heat upon receiving the laser or infrared beam, and wherein the second frit comprises an amount of the light-to-heat conversion material substantially more than the first frit. 6. The method of claim 1, wherein the second frit comprises a light-to-heat conversion material configured to generate heat upon receiving the laser or infrared beam, and wherein the first frit is substantially free of light-to-heat conversion material. 7. The method of claim 1, wherein the first frit is substantially transparent. 8. The method of claim 1, wherein the first frit comprises a first end facing the second substrate, the second frit comprises a second end facing the first substrate, wherein the first end has a first width perpendicular to the shortest imaginary line interconnecting the first and second substrates in a plane perpendicular to an elongation of the frit seal, and wherein the second end has a second width in the same direction, wherein the first width is greater than the second width. 9. The method of claim 1, wherein the first frit comprises a first end facing the second substrate, the second frit comprises a second end facing the first substrate, wherein the first frit has a first height from the first substrate to the first end in a direction parallel to the shortest imaginary line interconnecting the first and second substrates in a plane perpendicular to an elongation of the fit seal, wherein the second fit has a second height from the second substrate to the second end in the same direction, wherein the first height is greater than the second height. 10. The method of claim 1, wherein providing the first substrate and the first frit comprises bonding the first frit to the first substrate. 11. The method of claim 10, wherein bonding comprises baking the first substrate and the first frit in contact with the first substrate, whereby at least part of the first frit melts and solidifies so as to bond to the first substrate. 12. The method of claim 1, wherein the array and the first substrate form a gap therebetween. 13. The method of claim 1, wherein the first fit has a volume substantially greater than that of the second frit. 14. The method of claim 1, further comprising forming a structure extending along at least part of the frit seal, wherein the structure is interposed between and interconnects the first and second substrates, and wherein the structure is located outside or inside the enclosed space. 15. The method of claim 14, wherein forming the structure comprises: interposing a curable material between the first and second substrates; and curing the curable material thereby forming the structure interconnecting the first and second structures. 16. The method of claim 1, further comprising forming a first structure and a second structure, each of which is interposed between and interconnects the first and second substrates, wherein the first structure extends along the frit seal inside the enclosed space, and wherein the second structure extends along the frit seal outside the enclosed space. 17. The method of claim 1, further comprising forming a structure extending along the frit seal and located inside or outside the enclosed space, wherein the structure comprises a portion interposed between and interconnects the first substrate and the second substrate. 18. The method of claim 17, wherein forming the structure comprises: interposing a curable material between the first substrate and the second substrate; and curing the curable material thereby forming the structure interconnecting the first substrate and the second structure. 19. The method of claim 1, further comprising forming a first structure and a second structure, each of which extends along the frit seal inside or outside the enclosed space, wherein the first structure is interposed between and interconnects the first and second substrates. 20. The method of claim 1, wherein each of the first and second frits comprises one or more materials selected from the group consisting of magnesium oxide (MgO), calcium oxide (CaO), barium oxide (BaO), lithium oxide (Li2O), sodium oxide (Na2O), potassium oxide (K2O), boron oxide (B2O3), vanadium oxide (V2O5), zinc oxide (ZnO), tellurium oxide (TeO2), aluminum oxide (Al2O3), silicon dioxide (SiO2), lead oxide (PbO), tin oxide (SnO), phosphorous oxide (P2O5), ruthenium oxide (Ru2O), rubidium oxide (Rb2O), rhodium oxide (Rh2O), ferrite oxide (Fe2O3), copper oxide (CuO), titanium oxide (TiO2), tungsten oxide (WO3), bismuth oxide (Bi2O3), antimony oxide (Sb2O3), lead-borate glass, tin-phosphate glass, vanadate glass, and borosilicate.
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