1. A thin film transistor array panel comprising.
a substrate including a plurality of pixel areas;
a semiconductor layer formed on the substrate and including a plurality of pairs of first and second semiconductor portions in respective pixel areas;
a first insulating layer formed on the semiconductor layer;
a gate wire formed on the first insulating layer;
a second insulating layer formed on the gate wire;
a data wire formed on the second insulating layer;
a third insulating layer formed on the data wire;
a pixel electrode formed on the third insulating layer and connected to the data wire,
wherein width and length of at least one of the first and the second semiconductor portions vary between at least two pixel areas.
2. The thin film transistor array panel of claim 1, fuiter comprising:
a plurality of partitions for defining the pixel areas; and
a plurality of organic light emission members formed on the pixel electrodes.
3. The thin film transistor array panel of claim 1, wherein the semiconductor layer further includes a plurality of storage electrode portions,
the gate wire includes a plurality of first and second gate electrodes and storage electrodes overlapping the first and the second semiconductor portions and the storage electrode portions, respectively,
each of the first and the second semiconductor portions has a channel region, a source region, and a drain region, and
the data wire includes a plurality of first and second data lines, a plurality of first source electrodes connected to the first data lines and to the source regions of the first semiconductor portions, a plurality of first drain electrodes connected to the drain regions of the first semiconductor portions and to the second gate electrodes, a plurality of second source electrodes connected to the second data lines and to the source regions of the second semiconductor portions, and a plurality of second drain electrodes connected to the drain regions of the second semiconductor portions and to the pixel electrodes.
4. A thin film transistor array panel comprising:
a plurality of first thin film transistors;
a plurality of second thin film transistors connected to the first thin film thin film transistors and including channel regions having at least two widths and lengths; and
a plurality of pixel electrodes connected to the second thin film transistors.
5. The thin film transistor array panel of claim 4, wherein the channel regions comprise polysilicon.
6. The thin film transistor array panel of claim 4, wherein each of the first and the second thin film transistors has a gate, a source, and a drain; and
the gates of the second thin film transistors are connected to the drains of the first thin film transistors.
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 frame transfer apparatus comprising:
a plurality of ports configured to transmit and receive frames which include transmitting source information and transmitting destination information;
a processing unit configured to store information which relates the transmitting source information included in a frame received by a receiving port and port information of the receiving port;
a frame transmitting unit configured to transmit the received frame via one or plurality of ports that are identified by the port information which corresponds to the transmitting destination information included in the received frame and is extracted from the information stored by the processing unit; and
a learning information erasing unit configured to erase the information stored by the processing unit for every predetermined time.
2. The frame transfer apparatus as claimed in claim 1, wherein:
if the frame is received via the receiving port and the transmitting source information included in the frame and other port information are already stored by the processing unit,
the processing unit does not store information which relates the transmitting source information included in the received frame and the port information of the receiving port; and
the frame transmitting unit discards the received frame instead of transmitting the received frame.
3. The frame transfer apparatus as claimed in claim 1, wherein:
the frame further includes Virtual Local Area Network (VLAN) tag information that identifies a virtually formed network;
the processing unit stores information which relates the transmitting source information included in the received frame, the port information of the receiving port, and the VLAN tag information of the received frame; and
the learning information erasing unit erases information which is related to predetermined VLAN tag information and is stored by the processing unit.
4. The frame transfer apparatus as claimed in claim 1, wherein the learning information erasing unit erases information which is related to predetermined port information and is stored by the processing unit.
5. The frame transfer apparatus as claimed in claim 1, wherein:
a Media Access Control (MAC) address identifies the frame transfer apparatus; and
the predetermined time is obtained by applying a predetermined function with respect to the MAC address and is determined for every frame transfer apparatus.
6. The frame transfer apparatus as claimed in claim 1, wherein:
if port information corresponding to the transmitting destination information included in the received frame is not stored by the processing unit, the frame transmitting unit transmits the received frame via all of the plurality of ports excluding the receiving port.
7. A frame transfer method to be implemented in a frame transfer apparatus comprising a plurality of ports transmitting and receiving frames which include transmitting source information and transmitting destination information, a processing unit, a frame transmitting unit, and a learning information erasing unit, said frame transfer method comprising:
storing, by the processing unit, information which relates the transmitting source information included in the received frame and port information of a port which receives the received frame;
transmitting, by the frame transmitting unit, the received frame via a port that is identified by the port information which corresponds to the transmitting destination information included in the received frame and is extracted from the information stored by the processing unit; and
erasing, by the learning information erasing unit, the information stored by the processing unit for every predetermined time.
8. The frame transfer method as claimed in claim 7, wherein:
if the frame is received via the receiving port and the transmitting source information included in the frame and other port information are already stored by the processing unit,
not storing, by the processing unit, information which relates the transmitting source information included in the received frame and the port information of the receiving port; and
discarding the received frame instead of transmitting the received frame, by the frame transmitting unit.
9. The frame transfer method as claimed in claim 7, wherein:
the frame further includes Virtual Local Area Network (VLAN) tag information that identifies a virtually formed network;
and further comprising:
storing, by the processing unit, information which relates the transmitting source information included in the received frame, the port information of the receiving port, and the VLAN tag information of the received frame; and
erasing, by the learning information erasing unit, information which is related to predetermined VLAN tag information and is stored by the processing unit.
10. The frame transfer method as claimed in claim 7, wherein said erasing erases, by the learning information erasing unit, information which is related to predetermined port information and is stored by the processing unit.
11. The frame transfer method as claimed in claim 7, wherein:
a Media Access Control (MAC) address identifies the frame transfer apparatus; and
the predetermined time is obtained by applying a predetermined function with respect to the MAC address and is determined for every frame transfer apparatus.
12. The frame transfer method as claimed in claim 7, wherein:
if port information corresponding to the transmitting destination information included in the received frame is not stored by the processing unit, said transmitting transmits, by the frame transmitting unit, the received frame via all of the plurality of ports excluding the receiving port.