1. An active matrix liquid crystal display device comprising:
first and second substrates;
a liquid crystal layer disposed between said first and second substrates;
plural image signal lines, counter-voltage signal lines and scan signal lines formed on the first substrate and each pixel region formed by adjacent image signal lines and adjacent scan signal lines having at least an active device; and
at least a pixel electrode connected to the active device and at least a counter electrode in each pixel, the pixel electrode and the counter electrode being formed on the first substrate;
wherein adjacent ones of the counter-voltage signal lines are connected by the counter electrode via more than one thorough-hole formed in a protective film.
2. An active matrix liquid crystal display device according to claim 1, wherein the counter electrode is formed on the protective film.
3. An active matrix liquid crystal display device according to claim 1, wherein the thorough-hole is formed in each pixel.
4. An active matrix liquid crystal display device according to claim 3, wherein only one thorough-hole to connect the counter voltage signal line and the counter electrode is formed in each pixel.
5. An active matrix liquid crystal display device according to claim 1, wherein the counter voltage signal lines are arranged substantially parallel to the scan signal lines and the counter electrode connects adjacent counter voltage signal lines across the scan signal lines.
6. An active matrix liquid crystal display device according to claim 1, wherein the counter voltage signal line is formed of materials of one of Cr, Ta, Ti, Mo, W, Al, and an alloy thereof, or a clad structure with the materials laminated.
7. An active matrix liquid crystal display device according to claim 1, wherein the counter voltage signal line is formed of a clad structure made of one of Cr, Ta, Ti, Mo, W, Al, and an alloy thereof with a transparent conductive film of indium-to-oxide (ITO) or being laminated on the alloy.
8. An active matrix liquid crystal display device according to claim 1, wherein the counter electrode is formed of materials of one of Cr, Ta, Ti, Mo, W, Al, and an alloy thereof, or a clad structure with the materials laminated.
9. An active matrix liquid crystal display device according to claim 1, wherein the counter electrode is formed as a transparent conductive film of indium-to-oxide (ITO).
10. An active matrix liquid crystal display device comprising:
first and second substrates;
a liquid crystal layer disposed between said first and second substrates;
plural image signal lines, counter-voltage signal lines and scan signal lines formed on the first substrate, each pixel region formed by adjacent image signal lines and adjacent scan signal lines have at least an active device; and
at least a pixel electrode is connected to the active device and at least a counter electrode in each pixel, and the pixel electrode and the counter electrode are on the first substrate;
wherein a counter voltage is applied to the pixels with a net-mesh-like pattern across the adjacent pixels.
11. An active matrix liquid crystal display device comprising:
first and second substrates;
a liquid crystal layer disposed between said first and second substrates;
plural image signal lines, counter-voltage signal lines and scan signal lines formed on the first substrate, each pixel region formed by adjacent image signal lines and adjacent scan signal lines having at least an active device; and
at least a pixel electrode connected to the active device and at least a counter electrode in each pixel, and the pixel electrode and the counter electrode are on the first substrate;
wherein a counter voltage is applied to each pixel across the image signal lines and the scan signal lines which form the pixel.
12. An active matrix liquid crystal display device comprising:
first and second substrates;
a liquid crystal layer disposed between said first and second substrates;
plural image signal lines and scan signal lines are formed on the first substrate, and each pixel region is formed by adjacent image signal lines and adjacent scan signal lines having at least an active device; and
at least a pixel electrode connected to the active device and at least a counter electrode in each pixel, and the pixel electrode and the counter electrode are on the first substrate;
wherein pixel electrodes are formed in a same layer as the image signal line, the pixel electrode, the image signal line and the scan signal line are formed below a protective film, and a counter electrode is formed between the protective film and an alignment film.
13. An active-matrix liquid crystal display device according to claim 12, wherein the counter electrode is formed of materials of one of Cr, Ta, Ti, Mo, W, Al, and an alloy thereof, or a clad structure with the materials laminated.
14. An active matrix liquid crystal display device according to claim 12, wherein the counter electrode is formed as a transparent conductive film of indium-to-oxide (ITO).
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 communication apparatus comprising:
a first communication portion which wirelessly sends and receives audio data to and from a first other communication apparatus by using a frequency channel within a frequency band;
a second communication portion which wirelessly sends and receives general data to and from a second other communication apparatus by using a frequency channel within the frequency band;
a speech detecting portion which detects, on the basis of the audio data received from the first other communication apparatus, that a user at the first other communication apparatus is speaking; and
a communication control portion which interrupts the wireless communication implemented by the second communication portion when it is detected by the speech detecting portion that the user at the first other communication apparatus is speaking, the communication control portion not interrupting the wireless communication implemented by the second communication portion when it is not detected by the speech detecting portion that the user at the first other communication apparatus is speaking.
2. The communication apparatus according to claim 1, wherein the speech detecting portion includes a received-audio-level detecting portion which detects a sound volume of the audio data sent from the first other communication apparatus to the first communication portion, the speech detecting portion detecting that the user is speaking, on the basis of the sound volume detected by the received-audio-level detecting portion, such that it is determined that it is detected that the user is speaking when the sound volume detected by the received-audio-level detecting portion is equal to or higher than a first predetermined threshold, and that it is not detected that the user is speaking when the sound volume detected by the received-audio-level detecting portion is lower than the first predetermined threshold.
3. The communication apparatus according to claim 1, wherein the speech detecting portion includes a sent-audio-level detecting portion which detects a sound volume of the audio data sent from the first communication portion to the first other communication apparatus, the speech detecting portion detecting that the user is speaking, on the basis of the sound volume detected by the sent-audio-level detecting portion, such that it is determined that it is not detected that the user is speaking when the sound volume detected by the sent-audio-level detecting portion is equal to or higher than a second predetermined threshold.
4. The communication apparatus according to claim 3, wherein the speech detecting portion detects that the user is speaking, on the basis of the sound volume detected by the sent-audio-level detecting portion, such that it is determined that it is detected that the user is speaking when at least the sound volume detected by the sent-audio-level detecting portion is lower than the second predetermined threshold.
5. The communication apparatus according to claim 1, wherein the speech detecting portion includes a received-audio-level detecting portion which detects a sound volume of the audio data sent from the first other communication apparatus to the first communication portion, and a sent-audio-level detecting portion which detects a sound volume of the audio data sent from the first communication portion to the first other communication apparatus, the speech detecting portion detecting that the user is speaking, on the basis of the sound volumes respectively detected by the received-audio-level detecting portion and the sent-audio-level detecting portion, such that it is determined that it is detected that the user is speaking when the sound volume detected by the received-audio-level detecting portion is equal to or higher than the sound volume detected by the sent-audio-level detecting portion, and that it is not detected that the user is speaking when the sound volume detected by the received-audio-level detecting portion is lower than the sound volume detected by the sent-audio-level detecting portion.
6. The communication apparatus according to claim 5, wherein the speech detecting portion further includes a comparing portion which compares the sound volume detected by the received-audio-level detecting portion with the sound volume detected by the sent-audio-level detecting portion, the speech detecting portion detecting that the user is speaking, on the basis of a result of the comparison between the sound volumes, such that it is determined that it is detected that the user is speaking when the result indicates that the sound volume detected by the received-audio-level detecting portion is equal to or higher than the sound volume detected by the sent-audio-level detecting portion, and that it is not detected that the user is speaking when the result indicates that sound volume detected by the received-audio-level detecting portion is lower than the sound volume detected by the sent-audio-level detecting portion.
7. The communication apparatus according to claim 1, wherein the speech detecting portion includes a received-audio-level detecting portion which detects a sound volume of the audio data sent from the first other communication apparatus to the first communication portion, and a sent-audio-level detecting portion which detects a sound volume of the audio data sent from the first communication portion to the first other communication apparatus, the speech detecting portion detecting that the user is speaking, on the basis of the sound volumes respectively detected by the received-audio-level detecting portion and the sent-audio-level detecting portion, such that it is determined that it is detected that the user is speaking when the sound volume detected by the received-audio-level detecting portion is higher than the sound volume detected by the sent-audio-level detecting portion by an amount equal to or larger than a first predetermined amount.
8. The communication apparatus according to claim 1, wherein the speech detecting portion includes a received-audio-level detecting portion which detects a sound volume of the audio data sent from the first other communication apparatus to the first communication portion, and a sent-audio-level detecting portion which detects a sound volume of the audio data sent from the first communication portion to the first other communication apparatus, the speech detecting portion detecting that the user is speaking, on the basis of the sound volumes respectively detected by the received-audio-level detecting portion and the sent-audio-level detecting portion, such that it is determined that it is detected that the user is speaking when the sound volume detected by the received-audio-level detecting portion is larger than a value obtained by subtracting a second predetermined amount from the sound volume detected by the sent-audio-level detecting portion.
9. The communication apparatus according to claim 1, further comprising a communication resuming portion which resumes the wireless communication by the second communication portion when it becomes not to be detected by the speech detecting portion that the user is speaking after the interruption of the wireless communication.
10. A communication system comprising a base unit and a cordless handset at least one of which is constituted by the communication apparatus according to claim 1.