Light-emitting diodes; [ chip light-emitting diodes; ] through-hole light-emitting diodes [; light-emitting diode displays; semiconductor device; light-emitting diode modules; light-emitting diode display modules ]

educational services; namely, educational workshops and seminars for teachers and students designed to assist in both standardized test preparation and to improve students' study skills, educational workshops and seminars for teachers to enhance their effectiveness in the classroom, parent workshops designed to enhance parenting skills that relate to academic success [, and seminars for businesses designed to increase employee productivity ]