1. A substrate for organic EL, comprising:
a pattern which is formed on a surface of said substrate;
a bank which is formed on said surface of said substrate in accordance with said pattern;
wherein a top surface of said bank is made of a liquid repellent photosensitive material which is made of a photosensitive material containing a liquid repellent compound; and
wherein said liquid repellent compound is a fluorochemical surfactant or a fluorine-containing resin, the molecule in said surfactant or resin having a perfluoroalkyl group or a polyfluoroalkyl group.
2. A substrate for organic EL, comprising:
a pattern which is formed on a surface of said substrate;
a bank which is formed on said surface of said substrate in accordance with said pattern;
wherein a top surface of said bank is made of a liquid repellent photosensitive material which is made of a photosensitive material containing a liquid repellent compound;
wherein said bank as a whole is made of said liquid repellent photosensitive material; and
wherein said liquid repellent compound is a fluorochemical surfactant or a fluorine-containing resin, the molecule in said surfactant or resin having a perfluoroalkyl group or a polyfluoroalkyl group.
3. A substrate for organic EL, comprising:
a pattern which is formed on a surface of said substrate;
a bank which is formed on said surface of said substrate in accordance with said pattern;
wherein a top surface of said bank is made of a liquid repellent photosensitive material which is made of a photosensitive material containing a liquid repellent compound;
wherein said bank has a double-layer structure that a top layer portion including said top surface of said bank is made of said liquid repellent photosensitive material, whereas a bottom layer portion of said bank is made of a non-liquid repellent photosensitive material; and
wherein said liquid repellent compound is a fluorochemical surfactant or a fluorine-containing resin, the molecule in said surfactant or resin having a perfluoroalkyl group or a polyfluoroalkyl group.
4. The substrate for organic EL of claim 3 in which said bank is formed in accordance with said pattern using light having a predetermined exposure wavelength,
wherein said liquid repellent photosensitive material and said non-liquid repellent photosensitive material are both sensitive to said exposure wavelength.
5. The substrate for organic EL of claim 4, wherein said liquid repellent compound is a fluorochemical surfactant or a fluorine-containing resin, the molecule in said surfactant or resin having a perfluoroalkyl group or a polyfluoroalkyl group.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A diffuser pipe assembly (28) of a gas turbine engine including a plurality of circumferentially spaced diffuser pipes (38), each diffuser pipe (38) comprising a substantially truncated conical inlet end section (46) defining an inlet end (40) of the diffuser pipe (38) and a curved section (48) defining an exit end (41) of the diffuser pipe (38) to direct a pressurized airflow from the inlet end (40) through the diffuser pipe (38) to the exit end (41), the curved section (48) having a cross-section expanding rearwardly towards the exit end (41) such that the curved section (48) presents a curved fishtail profile, the inlet end section (46) defining a depressed local area (58) in a pipe wall of the inlet end section (46) such that both inner and outer surfaces of the pipe wall in the depressed local area (58) are bent into the diffuser pipe (38), wherein each consecutive cross section area Sn+1 is bigger than or equal to a preceding one Sn.
2. The diffuser pipe assembly (28) as defined in claim 1 wherein the depressed local area (58) in the pipe wall of the inlet end section (46) is located immediately upstream of the curved section (48).
3. The diffuser pipe assembly (28) as defined in claim 1 wherein the depressed local area (58a or 58b) in the pipe wall is located in the curved section (48).
4. The diffuser pipe assembly (28) as defined in claim 1 wherein the inlet end section (46) comprises a connector (54) defining the inlet end (40) and wherein the depressed local area (58) in the pipe wall of the inlet end section (46) is located downstream of the connector (54).
5. The diffuser pipe assembly (28) as defined in claim 1 comprising a second depressed local area (58c) in the pipe wall of the inlet end section (46), circumferentially spaced apart from said depressed local area (58) with respect to a central axis (52) of the diffuser pipe (38).
6. The diffuser pipe assembly (28) as defined in claim 5 wherein the second depressed local area (58c) is located diametrically opposite to said depressed local area (58) with respect to a central axis (52) of the diffuser pipe (38).
7. A diffuser assembly (28) for a gas turbine engine comprising:
an annular diffuser body (32) having a plurality of orifices (34) disposed circumferentially around an outer periphery (36) of the diffuser body (32);
a plurality of diffuser pipes (38) each having an inlet end (40) connected to one of the orifices (34) of the diffuser body (32), each of the diffuser pipes (38) including an inlet end section (46) in a substantially round cross section defining the inlet end (40) and a curved section (48) defining an exit end (41) of the diffuser pipe (38) to direct a pressurized airflow from the inlet end (40) through a passage to the exit end (41), the curved section (48) having a cross-section expanding rearwardly towards the exit end (41) such that the curved section (48) presents a curved fishtail profile; and
wherein at least one of the diffuser pipes (38) defines a depressed local area (58) in a pipe wall of an upstream section of the at least one diffuser pipe (38) such that both inner and outer surfaces of the pipe wall in the depressed local area (58) are bent into the at least one diffuser pipe (38), wherein each consecutive cross section area Sn+1 is bigger than or equal to the preceding one Sn.
8. The diffuser assembly (28) as defined in claim 7 wherein a central axis (52) of each of the diffuser pipes (38) extends through the inlet end section (46) in a substantially tangential direction with respect to the annular diffuser body (32) and extends at the exit end (41) in a substantially axial direction with respect to a central axis (31) of the engine.
9. The diffuser assembly (28) as defined in claim 7 wherein the inlet end section (46) of each of the diffuser pipes (38) comprises a connector (54) defining the inlet end (40) of the diffuser pipe (38) for connection with said one of the orifices (34) of the diffuser body (32).
10. The diffuser assembly (28) as defined in claim 7 wherein the depressed local area (58) in the pipe wall of the at least one diffuser pipe (38) is located downstream of the connector (54).
11. The diffuser assembly (28) as defined in claim 7 wherein the depressed local area (58) in the pipe wall of the at least one diffuser pipe (38) is located in the inlet end section (46), immediately upstream of the curved section (48).
12. The diffuser assembly (28) as defined in claim 7 wherein the depressed local area (58a or 58b) in the pipe wall of the at least one diffuser pipe (38) is located in the curved section (48).
13. The diffuser assembly (28) as defined in claim 7 wherein the at least one diffuser pipe (38) comprises a second depressed local area (58c) in the pipe wall of the inlet end section (46), circumferentially spaced apart from said depressed local area (58) with respect to a central axis (52) of the diffuser pipe (38).
14. The diffuser assembly (28) as defined in claim 13 wherein the second depressed local area (58c) located diametrically opposite to said depressed local area (58) with respect to a central axis (52) of the at least one diffuser pipe (38).
15. The diffuser assembly (28) as defined in claim 7 wherein the depressed local area (58) in the pipe wall of the at least one diffuser pipe (38) is in a location directly facing a portion of the diffuser body (32) which defines one (34a) of the orifices adjacent the orifice (34) connected to the at least one diffuser pipe (38), thereby providing an enlarged space (60) between the at least one diffuser pipe (38) and the diffuser body (32).
16. The diffuser assembly (28) as defined in claim 7 wherein the depressed local area (58) in the pipe wall of the at least one diffuser pipe (38) is in a location directly facing a portion of the adjacent diffuser pipe (38), thereby providing an enlarged space between the at least one diffuser pipe (38) and the adjacent diffuser pipe (38).
17. The diffuser assembly (28) as defined in claim 7 wherein each of the diffuser pipes (38) comprises the depressed local area (58) in the pipe wall of the inlet end section (46).