Having thus described the aforementioned invention, we claim:
1. A disposable menstrual undergarment for absorption of body fluids excreted by a wearer, comprising:
a front interior portion attached to a rear interior portion along opposed side portions of an undergarment, said front and rear interior portions having an interior surface;
a crotch interior portion joining said front interior portion and said rear interior portion of said undergarment;
a waistband of generally continuous material;
two leg openings through said opposed side portions and adjacent said crotch portion, each of said two leg openings having an interior border;
an exterior layer of said undergarment, said exterior layer of breathable nonporous material;
a plurality of layers disposed on interior surfaces of said undergarment, including:
a middle layer of absorbent materials having a front layer, a crotch layer and a rear layer positioned on each of respective interior surfaces of said front portion, rear portion, and said crotch portion of said undergarment;
an interior faced layer of absorbent materials removably disposed on said middle layer, said interior faced layer extends from said interior surface of said front portion, across said crotch portion, and to said rear portion; and
at least one strip of absorbent materials attachable along said interior border of each of said two leg openings, said at least one strip of absorbent materials being generally continuous along each interior border of each of said two leg openings;
whereby said interior faced layer of absorbent materials is removable by the wearer if soiled with said middle layer and said at least one strip of absorbent materials along each interior border of said leg openings provide for additional absorption of body fluids excreted by the wearer of the undergarment after removal of said interior faced layer.
2. The disposable menstrual undergarment of claim 1 wherein said undergarment including said exterior layer and said waistband being composed of cellulose-based material, said cellulose-based material having a plurality of stretchable filaments therein, said waistband is stretchable in a width dimension, said interior surface of said front interior portion, said rear interior portion, and said crotch interior portion having a layer of absorbent materials thereon.
3. The disposable menstrual undergarment of claim 2 wherein said interior layer of absorbent materials and said at least one strip of absorbent materials along each interior border are composed of a cellulose-based material having at least one layer of generally continuous absorbent materials along interior surfaces of said front portion, said rear portion, said crotch portion, and each interior border of said undergarment.
4. The disposable menstrual undergarment of claim 2 wherein said interior faced layer of absorbent materials including:
a front layer removably disposed proximal on said front portion of said middle layer on said front portion of said undergarment;
a rear layer removably disposed proximal on said rear portion of said middle layer on said rear portion of said undergarment; and
a crotch layer connected between said front layer and said rear layer of said middle layer on said crotch portion of said middle layer of said undergarment.
5. The disposable menstrual undergarment of claim 4 including said front layer having a front tab having one side of adherence material thereon, said front tab extends from a leading edge of said front layer of said interior faced layer of absorbent materials, and further including said rear layer having a rear tab having one side of adherence material thereon, said rear tab extends from a trailing edge of said rear layer of said interior faced layer of absorbent materials, said front tab is releasably attachable against said front interior portion of said undergarment, said rear tab is releasably attachable against said rear interior portion of said undergarment.
6. The disposable menstrual undergarment of claim 1 wherein said middle layer of absorbent materials is integrally attached to said interior surface of said front portion, rear portion, and said crotch portion to provide a continuous interior layer of absorbent materials composed of an absorbent polymer layer.
7. The disposable menstrual undergarment of claim 3 wherein at least one strip of absorbent materials along each interior border of each of said leg openings is composed of a cellulose-based absorbent layer or an absorbent polymer layer.
8. A disposable menstrual undergarment for absorption of menstrual fluids excreted by a wearer, comprising:
an undergarment having an exterior layer of breathable, non-porous and stretchable material, said undergarment including an interior surface of said exterior layer, said interior surface including a front portion attached to a rear portion, a crotch portion joining said front portion to said rear portion, and two leg openings on opposed sides of said crotch portion;
an interior circumferential border of absorbent materials positioned along interior faced surfaces of each of said two leg openings; and
a middle layer of absorbent materials positioned on each of an interior surface of said front portion, rear portion, and said crotch portion, said middle layer extended laterally to overlap said interior circumferential border of absorbent materials positioned along said interior faced surfaces of each of said two leg openings;
an interior faced layer of absorbent materials removably disposed on said middle layer, said interior layer is positioned on said interior surface of said front portion of said middle layer, across said crotch portion, and on said rear portion of said middle layer, said interior faced layer is removably attached on said front portion and said rear portion of said middle layer of absorbent materials;
whereby said interior faced layer of absorbent materials is removable by the wearer from said middle layer when said interior faced layer is soiled, with said middle layer remaining fixed against said interior circumferential border of absorbent materials positioned along interior faced surfaces of each of said two leg openings provide for absorption of menstrual fluids excreted by the wearer of the undergarment.
9. The disposable menstrual undergarment of claim 8 wherein said interior faced layer further includes a front edge having at least two extension tabs each having one side of adherence material thereon, said at least two extension tabs extend from said front edge of said interior faced layer of absorbent materials for adhesive contact with said interior surface of said front portion of said undergarment, and further including said interior faced layer having a rear edge having at least two extension tabs each having one side of adherence material thereon, said at least two extension tabs extend from said rear edge of said interior faced layer of absorbent materials for adhesive contact with said interior surface of said rear portion of said undergarment.
10. The disposable menstrual undergarment of claim 9 wherein said undergarment including said exterior layer and said waistband being composed of cellulose-based material, said cellulose-based material having a plurality of stretchable filaments therein, said waistband is stretchable in a width dimension, said interior surface of said front portion, said rear portion, and said crotch portion having a layer of absorbent materials thereon.
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 light emitting diode, comprising:
a base with a concave portion;
a light emitting chip disposed in the concave portion;
an encapsulating layer filled in the concave portion; and
an optical adjusting element disposed on the light emitting chip so that a first light distribution of the light emitting diode in a horizontal view angle is different from a second light distribution of the light emitting diode in a vertical view angle.
2. The light emitting diode according to claim 1, wherein the first light distribution is a batwing distribution and the second light distribution is a Lambertian distribution.
3. The light emitting diode according to claim 2, wherein the optical adjusting element includes a semi-ellipsoid and a concavity which is formed on a top surface of the optical adjusting element and connected with the semi-ellipsoid therearound.
4. The light emitting diode according to claim 3, wherein the concavity is formed of two inclined-surfaces with semi-elliptic shape or formed of two inclined-surfaces with semi-circle shape.
5. The light emitting diode according to claim 4, wherein a curvature of the inclined-surface with semi-elliptic shape or with semi-circle shape, lengths of the long axis and the short axis of the inclined-surface with semi-elliptic shape are determined in a determination range between a maximal and a minimal function value of which the first light distribution in the horizontal view angle is different from the second light distribution in the vertical view angle, and a radius of the inclined-surface with semi-circle shape is determined in a determination range between a maximal and a minimal function value of which the first light distribution in the horizontal view angle is different from the second light distribution in the vertical view angle.
6. The light emitting diode according to claim 3, wherein a cross-section of the concavity has a concave arc edge in a direction of a long axis of the semi-ellipsoid, a cross-section of the concavity has a planar edge in a direction of a short axis of the semi-ellipsoid, and cross-sections of the semi-ellipsoid in the directions of the long axis and the short axis thereof respectively have protruded shapes.
7. The light emitting diode according to claim 3, wherein a geometry center of the concavity aligns with the light emitting chip.
8. The light emitting diode according to claim 1, wherein the concave portion of the base has two parallel and spaced long side walls and two parallel and spaced short side walls, the light emitting chip has two parallel and spaced long side surfaces and two parallel and spaced short side surfaces, wherein the long side surface of the light emitting chip is parallel to the long side wall of the concave portion, and the short side surface of the light emitting chip is parallel to the short side wall of the concave portion.
9. The light emitting diode according to claim 8, wherein a difference between a width of the two long side walls and a width of the two long side surfaces is less than 0.6 mm, and a difference between a width of the two short side walls and a width of the two short side surfaces is less than 0.6 mm.
10. The light emitting diode according to claim 1, wherein a highest light intensity of the light emitting diode is distributed between 30 degree to 70 degree and the light intensity in a normal line is about from 30% to 80% of the highest light intensity.
11. The light emitting diode according to claim 10, wherein the highest light intensity of the light emitting diode is distributed between 45 degree to 55 degree and the light intensity in a normal line is about from 50% to 70% of the highest light intensity.
12. The light emitting diode according to claim 1, wherein the encapsulating layer further has phosphor powders for wavelength conversion.
13. The light emitting diode according to claim 1, wherein the first light distribution of the light emitting diode and the second light distribution of the light emitting diode are combined to obtain a combined light distribution which is one of a non-symmetric circle distribution and a non-symmetric elliptic distribution.
14. The light emitting diode according to claim 1, wherein outer peripheral edges of the concave portion are corresponding to outer peripheral edges of the light emitting chip.
15. A backlight module, comprising a reflecting sheet, a diffusing plate, and a plurality of light emitting diodes of claim 1 disposed between the reflecting sheet and the diffusing plate.
16. The backlight module according to claim 15, wherein a first light distribution of the light emitting diode is a batwing distribution and the second light distribution of the light emitting diode is a Lambertian distribution.
17. The backlight module according to claim 16, wherein the two adjacent light emitting diodes have a gap therebetween, and a ratio of a height of the gap and a width of the gap is from 0.5 to 1.
18. A light tube comprising a plurality of light emitting diodes of claim 1.
19. The light tube according to claim 18, further comprising a transparent tube and a PCB, wherein the light emitting diodes are mounting on the PCB and received inside the transparent tube.
20. The light tube according to claim 18, wherein a first light distribution of the light emitting diode is a batwing distribution and the second light distribution of the light emitting diode is a Lambertian distribution.