An electrically illuminating indicator needle (1, 200, 300, 400) comprising: a light guiding member and a plurality of light emitting diodes (2, 111); wherein said light guiding member comprises: a plurality of incident faces (12, 120a); a plurality of light reflecting surfaces (13, 120b) each of which is disposed to correspond one to one with the incident faces (12, 120a) so as to reflect a light coming from the corresponding incident face (12, 120a); a plurality of emitting regions (11, 120c) each of which is disposed to correspond one to one with the light reflecting surfaces (13, 120b) so as to emit the light reflected on the corresponding light reflecting surface (13, 120b), wherein the emitting regions (11, 120c) are disposed in line to form an indicator needle light emitting surface, and wherein the incident faces (12, 120a) are parallel to each other; wherein each of said plurality of light emitting diodes (2, 111) is disposed to correspond one to one with the incident faces (12, 120a); and wherein the plurality of light-emitting diodes (2, 111) are disposed so as to oppose the plurality of incident faces (12, 120a), so that light enters the light guiding member through the plurality of incident faces (12, 120a). a light guiding member and a plurality of light emitting diodes (2, 111); wherein said light guiding member comprises: a plurality of incident faces (12, 120a); a plurality of light reflecting surfaces (13, 120b) each of which is disposed to correspond one to one with the incident faces (12, 120a) so as to reflect a light coming from the corresponding incident face (12, 120a); a plurality of emitting regions (11, 120c) each of which is disposed to correspond one to one with the light reflecting surfaces (13, 120b) so as to emit the light reflected on the corresponding light reflecting surface (13, 120b), wherein the emitting regions (11, 120c) are disposed in line to form an indicator needle light emitting surface, and wherein the incident faces (12, 120a) are parallel to each other; wherein each of said plurality of light emitting diodes (2, 111) is disposed to correspond one to one with the incident faces (12, 120a); and wherein the plurality of light-emitting diodes (2, 111) are disposed so as to oppose the plurality of incident faces (12, 120a), so that light enters the light guiding member through the plurality of incident faces (12, 120a). a plurality of incident faces (12, 120a); a plurality of light reflecting surfaces (13, 120b) each of which is disposed to correspond one to one with the incident faces (12, 120a) so as to reflect a light coming from the corresponding incident face (12, 120a); a plurality of emitting regions (11, 120c) each of which is disposed to correspond one to one with the light reflecting surfaces (13, 120b) so as to emit the light reflected on the corresponding light reflecting surface (13, 120b), wherein the emitting regions (11, 120c) are disposed in line to form an indicator needle light emitting surface, and wherein the incident faces (12, 120a) are parallel to each other; wherein each of said plurality of light emitting diodes (2, 111) is disposed to correspond one to one with the incident faces (12, 120a); and wherein the plurality of light-emitting diodes (2, 111) are disposed so as to oppose the plurality of incident faces (12, 120a), so that light enters the light guiding member through the plurality of incident faces (12, 120a).