ALKALI SILICATE GLASS FOR DISPLAYS

• US 20090262290A1
• Filed: 06/26/2009
• Published: 10/22/2009
• Est. Priority Date: 12/18/2007
• Status: Active Grant

• Current Assignee: Rockwell Collins, Inc. (Raytheon Technologies Corporation d/b/a RTX)
• Original Assignee: Rockwell Collins, Inc. (Raytheon Technologies Corporation d/b/a RTX)
• Inventors: Tchon, Joseph L., Dudley, Sandra S., Lower, Nathan P., Barnidge, Tracy J., Wilcoxon, Ross K., Sampica, James D.
• Granted Patent: US 8,363,189 B2
• Time in Patent Office: Days
• US Class Current: 349/122
• CPC Class Codes: B32B 17/10018 comprising only one glass sheet
• CPC Class Codes: B32B 17/10174 Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
• CPC Class Codes: C09K 2323/051 Inorganic, e.g. glass or silicon oxide
• CPC Class Codes: G02F 1/133311 Environmental protection, e.g. against dust or humidity
• CPC Class Codes: G02F 1/133504 Diffusing, scattering, diffracting elements associated to illuminating devices G02F1/133606
• CPC Class Codes: G02F 1/13452 Conductors connecting driver circuitry and terminals of panels
• CPC Class Codes: G02F 2201/50 Protective arrangements
• CPC Class Codes: G02F 2202/09 inorganic glass
• CPC Class Codes: G02F 2202/28 Adhesive materials or arrangements
• CPC Class Codes: H01L 2224/48091 Arched
• CPC Class Codes: H01L 2224/48227 connecting the wire to a bond pad of the item
• CPC Class Codes: H01L 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/00014 the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
• CPC Class Codes: H01L 2924/12044 OLED
• CPC Class Codes: H01L 2924/1461 MEMS
• CPC Class Codes: H01L 2924/3025 Electromagnetic shielding
• CPC Class Codes: H10K 50/8428 Vertical spacers, e.g. arranged between the sealing arrangement and the OLED

Abstract

A display assembly comprises an electronic display element, a layer of material, and an alkali silicate glass material at least partially covering at least one of the electronic display element and the layer of material.

Claims

1. A display assembly, comprising:

an electronic display element;

a transparent material over the electronic display element; and

an alkali silicate glass at least partially covering at least one of the 6 electronic display element or the transparent material.

2. The display assembly of claim 1, wherein the electronic display element comprises a light-emitting diode.

3. The display assembly of claim 1, wherein the electronic display element comprises a liquid crystal display element.

4. A display assembly, comprising:

an electronic display element;

a layer of material; and

an alkali silicate glass material at least partially covering at least one of the electronic display element and the layer of material.

5. The display assembly of claim 4, wherein the electronic display element is a flexible display substrate.

6. The display assembly of claim 4, wherein the alkali silicate glass material is configured to protect at least one of the electronic display element and the layer of material from at least one of moisture and oxygen.

7. The display assembly of claim 4, wherein the layer of material has an edge and the electronic display element has an edge, wherein the alkali silicate glass material is configured to at least partially seal the edges of the layer of material and the electronic display element.

8. The display assembly of claim 4, further comprising touch sensitive elements, wherein the alkali silicate glass material is configured to at least partially seal the touch sensitive elements.

9. The display assembly of claim 4, wherein the layer of material comprises a polymer material and the alkali silicate glass material at least partially covers the polymer material.

10. The display assembly of claim 4, wherein the electronic display element comprises an organic light emitting display material.

11. The display assembly of claim 4, wherein the layer of material is a flexible substrate and the alkali silicate glass material as least partially covers the flexible material.

12. The display assembly of claim 4, wherein the organic light emitting display material is a first color, further comprising a second organic light emitting display material of a second color different than the first color, wherein the alkali silicate glass material at least partially separates the organic light emitting display material of the first color from the second organic light emitting display material of the second color.

13. The display assembly of claim 4, further comprising a circuit element coupled to the electronic display element and defining a space between the circuit element and electronic display element, wherein the alkali silicate glass material is disposed in the space.

14. The display assembly of claim 13, further comprising an organic sealant disposed in the space, wherein the alkali silicate glass material is configured to provide adhesion of the organic sealant to at least one of the circuit element and the electronic display element.

15. The display assembly of claim 4, wherein the display assembly comprises a touch screen, the layer of material being a deflectable material, and the alkali silicate glass coating overlaying the layer of deflectable material and configured to be touched by a user.

16. The display assembly of claim 4, wherein the alkali silicate glass material is configured to optically diffuse light transmitted through the alkali silicate glass material.

17. The display assembly of claim 16, wherein the electronic display element comprises a liquid crystal display layer, further comprising a second liquid crystal display layer, wherein the alkali silicate glass material is disposed between the liquid crystal display layer and the second liquid crystal display.

18. The display assembly of claim 4, wherein the alkali silicate glass material comprises particles configured to alter the refractive index of the alkali silicate glass material.

19. The display assembly of claim 18, wherein the alkali silicate glass material is an anti-reflective coating on a top layer of the display assembly.

20. The display assembly of claim 4, wherein the alkali silicate glass material comprises hard particle fillers, further comprising a polymer layer, wherein the alkali silicate glass material at least partially covers the polymer layer and thereby increases the scratch resistance of the polymer layer.

21. A display assembly, comprising:

a display element;

a glass material;

a polymer material; and

an alkali silicate glass material between the glass material and the polymer material, wherein the display element provides illumination through the glass material.

22. The display assembly of claim 21, wherein the alkali silicate glass material has a thickness of between about 50 nanometers and about 200 nanometers.

23. The display assembly of claim 21, wherein the alkali silicate glass material is adhesively bonded to either or both the polymer material or to the glass material, thereby providing a suitable bonding interface between the polymer and glass materials.

24. The display assembly of claim 21, wherein the glass material is a non-alkali silicate glass material.

25. A filter for a display, comprising:

a polymer film; and

an alkali silicate glass layer covering at least a portion of the polymer film.

26. The filter of claim 25, wherein the alkali silicate glass layer is configured to filter one or more predetermined wavelengths of light.

27. The filter of claim 25, wherein the alkali silicate glass layer is configured to provide an increased antireflective property over that of the polymer layer.

28. The filter of claim 25, wherein the alkali silicate glass layer is configured to diffuse light received from the polymer layer.

29. The filter of claim 25, wherein the alkali silicate glass layer is configured to provide an increased scratch resistance over that of the polymer layer.