I claim:
1. A device for supporting a collapsible waste bag from the inside of the bag near a mouth of the bag for maintaining the bag mouth in an open position, the device comprising:
a continuous, imperforate band having an expanded circular configuration, the band being formed from a flexible material having sufficient flexibility that the band may be grasped by a user with one hand at approximately a mid-portion thereof and squeezed together with said one hand to form a collapsed configuration of a partial lemniscate to facilitate insertion of said band into said bag, said band expanding to said circular configuration when released and expanding radially outwardly against the bag.
2. The bag device as set forth in claim 1, wherein said band has an approximate circumference that is ranges from between about 100% to about 106% of the perimeter of said bag mouth.
3. The bag device as set forth in claim 1, wherein said band is formed from a solid strip of plastic.
4. The bag device as set forth in claim 1, wherein said band is formed from an elongated strip of plastic having two opposing ends, said band two ends being overlaid upon each other and permanently joined to each other to form said continuous band.
5. The bag device as set forth in claim 1, wherein said band has a width of between about 1 inch and about 2 inches.
6. The bag device as set forth in claim 2, wherein said band diameter is between about 17 and about 18 inches.
7. The bag device as set forth in claim 1, wherein said band, when grasped and squeezed with said one hand into said partial lemniscate, has two opposing end portions, each end including a partial loop with a curved surface facing outwardly at each said end portion.
8. The bag device as set forth in claim 4, wherein said band two ends are joined together by an adhesive.
9. The bag device as set forth in claim 4, wherein said band two ends are joined together by welding.
10. An expandable and collapsible device for imparting rigidity to a perimeter of an opening of a collapsible yard waste bag to facilitate the loading and unloading of the year waste bag, the device forming an interior frame of said bag opening, said device comprising:
a continuous, collapsible frame member that is configurable between a first configuration for expansion against said waste bag and a second, collapsed configuration for insertion into said yard waste bag opening, said first configuration being a circular configuration and said second configuration being a partial lemniscate, said band having a sidewall of predetermined width that engages an inner perimeter of said yard waste bag when said band is inserted into said yard waste bag and expanded against said yard waste bag sidewalls, said band being collapsible and expandable with one hand.
11. The device of claim 10, wherein said band, when in said partial lemniscate configuration, has two loop portions at opposite ends of said band, each of said loop portions having an exterior curved surface that initially contact said bag sidewalls when said band is inserted into said yard waste bag opening.
12. The device of claim 11, when said band includes an solid and imperforate band.
13. The device of claim 12, wherein said band has a circumference that is about 100% of said bag opening perimeter.
14. The device of claim 11, wherein said band has a circumference that is slightly greater than said perimeter of said bag opening, whereby when said band is expanded into said second configuration, said band exerts a pressure on said yard waste bag near said opening thereof.
15. The device of claim 11, wherein said band is formed from a solid strip of plastic.
16. The device of claim 11, wherein said band is formed from an elongated strip of plastic having two opposing ends that overlap each other and are joined together along the length in which they overlie each other.
17. A device for supporting a collapsible waste bag from the inside of the bag near a mouth of the bag for maintaining the bag mouth in an open position, the device comprising:
a continuous, non-articulated band having an expanded circular configuration, the band being formed from a flexible material having sufficient flexibility that the band may be grasped by a user with one hand at approximately a mid-portion thereof and squeezed together by said user with said one hand to form a collapsed configuration of a partial lemniscate to facilitate insertion of said band into said bag, said band expanding to said circular configuration when released and expanding radially outwardly against the bag, said band having an perimeter that is approximate no greater than a the perimeter of said bag mouth, said band, when in said partial lemniscate configuration, having two opposing end portions, each end including a partial loop with a curved surface facing outwardly at each said end portion.
18. The bag device as set forth in claim 17, wherein said band has an approximate circumference that is about 100% of the perimeter of said bag mouth.
19. The bag device as set forth in claim 17, wherein said band is formed from a solid strip of plastic.
20. The bag device as set forth in claim 17, wherein said band is formed from an elongated strip having two opposing ends that overlap each other and which are joined together permanently along the length in which they overlie each other.
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. An apparatus comprising:
a liquid crystal display comprising sub-pixels each comprising a first display field and a second display field that either both operate in a transmissive mode or both operate in a reflective mode, the first and second display fields of a sub-pixel being driven by a same driving device, the first and second display fields of a sub-pixel having different characteristics that cause liquid crystal layers in the first and second display fields to have different transmittances.
2. The apparatus of claim 1 wherein when a pixel voltage corresponding to a particular gray level is applied to the sub-pixel, the first display field shows a gray level darker than the particular gray level, the second display field shows a gray level lighter than the particular gray level, and overall the sub-pixel appears to show the particular gray level.
3. The apparatus of claim 1 wherein each sub-pixel corresponds to a primary color shown on the display and, when the same pixel voltage is applied to a group of sub-pixels that correspond to the same primary color, the first display fields of the group of sub-pixels have substantially the same transmittance.
4. The apparatus of claim 1 wherein each sub-pixel corresponds to a primary color shown on the display and, when the same pixel voltage is applied to various sub-pixels that correspond to different primary colors, the first display fields of the sub-pixels have different transmittances.
5. The apparatus of claim 1 wherein the driving device comprises a thin film transistor.
6. The apparatus of claim 1 wherein the sub-pixels are oriented such that the position of the first display field relative the corresponding second display field is the same for a row of sub-pixels.
7. The apparatus of claim 1 wherein the sub-pixels are oriented such that, within a row of sub-pixels, the position of the first display field relative the corresponding second display field alternates from one sub-pixel to the next sub-pixel.
8. The apparatus of claim 1 wherein the first display field and the second display field of the same sub-pixel have different cell gaps.
9. The apparatus of claim 8 wherein each sub-pixel corresponds to a primary color shown on the display, and the first display fields that correspond to the same primary color have substantially the same cell gap.
10. The apparatus of claim 8 wherein each sub-pixel corresponds to a primary color shown on the display, each sub-pixel comprises a color filter (CF) layer, and portions of the CF layers covering the first display fields of a group of sub-pixels associated with the same primary color have substantially the same thickness.
11. The apparatus of claim 8 wherein each sub-pixel corresponds to a primary color shown on the display, and the first display fields of various sub-pixels that correspond to different primary colors have different cell gaps.
12. The apparatus of claim 1 wherein each sub-pixel corresponds to a primary color shown on the display, each sub-pixel comprises a color filter (CF) layer, and portions of the CF layers covering the first display fields of various sub-pixels associated with different primary colors have different thicknesses.
13. The apparatus of claim 1 wherein each sub-pixel comprises a color filter (CF) layer, the CF layer having a first portion covering the first display field and a second portion covering the second display field, the first portion having a color layer, the second portion having a color layer and a transparent layer such that the second portion has a thickness greater than the first portion.
14. The apparatus of claim 1 wherein each sub-pixel comprises a first common electrode that corresponds to the first display field and a second common electrode that corresponds to the second display field, the first common electrode to connect to a first common voltage, the second common electrode to connect to a second common voltage that is different from the first common voltage.
15. The apparatus of claim 14 wherein each sub-pixel corresponds to a primary color shown on the display, and the first display fields of sub-pixels corresponding to the same primary color are associated with the same common electrode.
16. The apparatus of claim 14 wherein the first common electrode is coupled to a first direct-current voltage and the second common electrode is coupled to a second direct-current voltage.
17. The apparatus of claim 14 wherein the first common electrode is coupled to a first alternating-current common voltage and the second common electrode is coupled to a second alternating-current common voltage.
18. The apparatus of claim 17 wherein the pixel electrode is coupled with an alternating-current pixel voltage, the frequency of the pixel voltage, the first common voltage and the second common voltage are substantially the same, and the average value of the pixel voltage, the average value of the first common voltage, and the average value of the second common voltage are substantially the same.
19. The apparatus of claim 17 wherein the polarity of the first alternating-current common voltage is opposite to that of the second alternating-current common voltage.
20. The apparatus of claim 14 wherein the first common electrode comprises a plurality of first extending portions, the second common electrode comprises a plurality of second extending portions, the first extending portions and the second extending portions being disposed alternately along a direction.
21. The apparatus of claim 20 wherein each of some first extending portions corresponds to two rows of the sub-pixels and each of some of the second extending portions correspond to two rows of the sub-pixels.
22. An apparatus comprising:
a liquid crystal display comprising sub-pixels each comprising a first display field and a second display field that either both operate in a transmissive mode or operate in a reflective mode, the first display field comprising a liquid crystal layer between a pixel electrode and a first common electrode, the second display field comprising a liquid crystal layer between the pixel electrode and a second common electrode, the first common electrode to connect to a first common voltage, the second common electrode to connect to a second common voltage that is different from the first common voltage to cause the first display field to have a transmittance different from that of the second display field.
23. An apparatus comprising:
a liquid crystal display comprising sub-pixels each comprising a first display field and a second display field, the first and second display fields both being driven by a same driving device, the first and second display fields having characteristics such that when a pixel voltage corresponding to a particular gray level is applied to the sub-pixel, the first display field shows a gray level darker than the particular gray level, the second display field shows a gray level lighter than the particular gray level, and overall the sub-pixel appears to show the particular gray level.
24. A method comprising:
applying a pixel voltage to a pixel electrode of a sub-pixel of a display, the pixel electrode corresponding to a first display field and a second display field of the sub-pixel;
applying a first common voltage to a first common electrode that covers the first display field;
applying a second common voltage to a second common electrode that covers the second display field, the second common voltage being different from the first common voltage to cause the first display field to have a transmittance that is different from that of the second display field; and
operating both the first and second display fields in a transmissive mode or both the first and second display fields in a reflective mode.
25. A method comprising:
driving a first display field and a second display field of a sub-pixel of a liquid crystal display using a driving device, the first and second display fields having characteristics such that when a pixel voltage corresponding to a particular gray level is applied to the sub-pixel, the first display field shows a gray level darker than the particular gray level, the second display field shows a gray level lighter than the particular gray level, and overall the sub-pixel appears to show the particular gray level.